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Porsche > 911 & 912 (1965-1989) > Engine Rebuild Parts >

Camshafts

Camshafts

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DISPLAYING 1 to 16 (of 19 products)
1 2
Camshaft Kit. Porsche 911 SC / 3.2L 78-89 - 93010514717, 93010514716, 93010514710, 93010514817, 93010514816, 93010514810, 93010514808
1
Camshaft Kit. Porsche 911 SC / 3.2L 78-89
CAMSHAFTKIT02
Product Information
Product Information
Camshaft. SET OF 2.

oematch

Fits:
Porsche 911 SC 3.0L 1978-83
Porsche 911 Carrera 3.2L 1984-89

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

CAMSHAFTKIT02
93010514717
93010514716
93010514710
93010514817
93010514816
93010514810
93010514808

The product you are viewing cross references to these numbers
Camshaft Kit. Porsche 911 T / 911 T-V / 914-6 - 90110513302, 90110513301, 90110513300, 90110513403, 90110513400
1
Camshaft Kit. Porsche 911 T / 911 T-V / 914-6
CAMSHAFTKIT01
Product Information
Product Information
Camshaft Kit. 
SET OF 2 Left & Right.
Restore accurate valve-train operation and dependable engine performance with this OE Match Camshaft Kit. Designed for compatible engine applications, this kit provides essential components for camshaft replacement or engine rebuilding, helping restore correct valve timing, valve lift and overall valve-train operation.

Fits:
Porsche 911 TU/T 1965-69
Porsche 911 T 1970>>
Porsche 911 T-V 1972>>
Porsche 914-6 1970-76

The camshaft is one of the engine's most important internal components. Its precisely shaped lobes control the movement of the intake and exhaust valves through the associated valve-train components. Camshaft profile determines critical characteristics including valve lift, duration and timing, all of which influence cylinder filling, exhaust gas evacuation, combustion efficiency and engine performance.

What This Product Does:
  • Restore correct camshaft and valve-train operation.
  • Control the opening and closing of the intake and exhaust valves.
  • Maintain correct valve timing relative to crankshaft position.
  • Provide the required valve lift and duration.
  • Support efficient cylinder filling with the intake charge.
  • Allow effective evacuation of exhaust gases.
  • Maintain consistent valve operation across the engine.
  • Support smooth combustion and dependable engine performance.
  • Replace worn or damaged camshaft-related components.
  • Provide a coordinated solution for compatible engine rebuilds and repairs.
  • Restore valve-train functionality when correctly installed and timed.

Symptoms Of Wear Or Failure:
  • Ticking, tapping or abnormal valve-train noise.
  • Reduced engine power or acceleration.
  • Poor throttle response.
  • Rough or inconsistent idle.
  • Engine misfires.
  • Uneven performance between cylinders.
  • Difficulty maintaining correct valve clearances.
  • Repeated changes in valve adjustment.
  • Reduced valve lift.
  • Flattened or excessively worn cam lobes.
  • Pitting or scoring on camshaft surfaces.
  • Excessive wear of mating followers, lifters or rocker components.
  • Metallic particles in the engine oil or oil filter.
  • Abnormal camshaft journal wear.
  • Visible valve-train damage during engine disassembly.

Why Replacement Matters:

  • The camshaft directly controls the engine's valve movement. When a cam lobe becomes worn, its effective profile changes, potentially reducing how far or how long the corresponding valve opens.
  • Reduced valve lift or incorrect effective duration can restrict the amount of air and fuel entering the cylinder or interfere with the removal of exhaust gases. The result may be reduced power, rough running, poor throttle response and inefficient combustion.
  • Camshaft wear can also spread to associated valve-train components. A damaged cam lobe may accelerate wear of its mating follower, lifter or rocker component, while a damaged mating component can quickly deteriorate a replacement camshaft. Metallic debris produced by this wear can then circulate through the lubrication system and potentially damage other internal engine components.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

CAMSHAFTKIT01
90110513302
90110513301
90110513300
90110513403
90110513400

The product you are viewing cross references to these numbers
Camshaft Kit. Porsche 911S / 911 Carrera 2.7 - 90110516802, 90110516802, 90110518301, 90110518302
2
Camshaft Kit. Porsche 911S / 911 Carrera 2.7
CAMSHAFTKIT03
Product Information
Product Information
Camshaft SET OF 2, For Engines With Mechanical Fuel Injection Pump.
Restore accurate valve timing and correct operation of a mechanically fuel-injected engine with this OE Match Camshaft Set of 2. Designed for compatible engines equipped with a Mechanical Fuel Injection (MFI) pump, this matched two-camshaft set provides a replacement solution for engine rebuilds, restorations and repairs where the existing camshafts are worn, damaged or unsuitable.

Fits:
Porsche 911S 1965-73
Porsche 911 Carrera 2.7L 1974-77

Camshafts are precision internal engine components that control the opening and closing of the intake and exhaust valves. Their carefully engineered lobe profiles determine valve lift, duration and timing, directly influencing cylinder filling, exhaust gas evacuation, combustion efficiency, torque and engine performance.

What This Product Does:
  • Includes 2 camshafts for the compatible engine application.
  • Is designed for engines equipped with a mechanical fuel injection pump.
  • Controls the opening and closing of the intake and exhaust valves.
  • Maintains the required valve timing relative to crankshaft position.
  • Determines valve lift through the cam lobe profiles.
  • Determines how long the valves remain open.
  • Works with the associated rocker arms and valve-train components.
  • Supports correct operation of the engine alongside the MFI system.
  • Helps provide efficient cylinder filling and exhaust gas evacuation.
  • Supports smooth combustion and consistent engine performance.
  • Influences power delivery, torque and throttle response.
  • Replaces worn, damaged or unsuitable camshafts during an engine rebuild.

Symptoms Of Wear Or Failure:
  • Ticking, tapping or abnormal valve-train noises.
  • Reduced engine power.
  • Poor or inconsistent throttle response.
  • Rough or unstable idle.Engine misfires.
  • Uneven performance between cylinders.
  • Difficulty maintaining correct valve clearances.
  • Repeated changes in valve adjustment.
  • Reduced valve lift.
  • Flattened or excessively worn camshaft lobes.
  • Pitting, scoring or surface damage on the cam lobes.
  • Excessive wear on rocker arms or other mating components.
  • Abnormal camshaft journal wear.
  • Metallic particles in the engine oil or oil filter.
  • Visible camshaft damage during engine disassembly.

Why Replacement Matters:

  • Camshaft condition directly affects the engine's ability to breathe correctly. As cam lobes wear, their effective shape changes, potentially reducing valve lift or altering the period for which a valve remains open.
  • This can restrict the intake charge entering a cylinder or interfere with the efficient evacuation of exhaust gases. The resulting symptoms may include reduced power, poor throttle response, rough running and uneven cylinder performance.
  • Correct camshaft specification is especially important with Mechanical Fuel Injection. The MFI system is mechanically coordinated with engine operation, so the camshafts must be appropriate for the engine and injection configuration. Incorrect valve timing or an unsuitable camshaft profile can compromise the intended relationship between airflow and fuel delivery.
  • Camshaft wear can also damage associated valve-train components. Worn or pitted cam lobes may accelerate deterioration of rocker-arm contact surfaces, while damaged mating components can rapidly wear a replacement camshaft. Metal generated by this wear can circulate through the engine oil and potentially damage other internal components.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

CAMSHAFTKIT03
90110516802
90110516802
90110518301
90110518302

The product you are viewing cross references to these numbers
Camshaft (set of 2). Porsche 911S (67-73) Mechanical Injection - WC-05-062, WC-05-072, WC-05-082, WC-05-432
1
Camshaft (set of 2). Porsche 911S (67-73) Mechanical Injection
WC-05-062
Product Information
Product Information
Camshaft (Set of 2).
Restore or upgrade accurate valve-train operation with this OE Match Camshaft Set, reference WC-05-062, supplied as a set of 2 camshafts for compatible engine applications. Camshafts are critical valve-train components responsible for controlling precisely when and how far the intake and exhaust valves open and close throughout the engine's operating cycle.

Fits:
Porsche 911S (67-73) Mechanical Injection

Size:
#149i/149e .450/.400L 284°/256°D

Made of high quality billet blank Web cams have been Race proven for years, and provide reliable HP at all Power ranges.

As each camshaft rotates, its precisely machined lobes operate the corresponding followers, lifters, or other valve-train components. The shape of each lobe determines important characteristics including valve lift, duration, and timing, directly influencing cylinder filling, exhaust gas evacuation, combustion efficiency, torque delivery, and engine performance.

What This Product Does:
  • Includes 2 camshafts for compatible engine applications.
  • Controls the opening and closing of the intake and exhaust valves.
  • Determines valve timing relative to crankshaft position.
  • Controls valve lift through the shape of the camshaft lobes.
  • Determines how long the valves remain open through camshaft duration.
  • Works with the followers or lifters to operate the valve train.
  • Helps control efficient cylinder filling.
  • Supports effective evacuation of exhaust gases.
  • Influences torque, power delivery, throttle response, and overall engine characteristics.
  • Helps maintain coordinated valve operation across the engine.
  • Replaces worn, damaged, or unsuitable existing camshafts.
  • Provides a matched set for compatible engine rebuilds and performance applications.

Symptoms Of Wear Or Failure:
  • Ticking, tapping, or abnormal valve-train noise.
  • Reduced engine power or acceleration.
  • Rough or inconsistent engine operation.
  • Misfires or uneven cylinder performance.
  • Reduced valve lift.
  • Difficulty maintaining correct valve clearances.
  • Repeated changes in valve adjustment.
  • Flattened or excessively worn camshaft lobes.
  • Pitting, scoring, or surface damage on the lobes.
  • Excessive wear on followers or lifters.
  • Metallic particles in the engine oil.
  • Abnormal camshaft journal or bearing wear.
  • Visible camshaft damage discovered during engine disassembly.

Why Replacement Matters:

  • Camshafts directly control the movement of the engine's valves, making their condition fundamental to correct combustion and engine performance. A worn or damaged camshaft lobe can reduce the amount a valve opens or alter its effective opening duration, preventing the engine from breathing as originally intended.
  • Reduced or inconsistent valve lift can restrict airflow into the cylinders or interfere with exhaust gas evacuation. This may result in reduced power, rough running, poor throttle response, misfires, or inefficient combustion.
  • Camshaft and follower condition are also closely related. A damaged camshaft surface can rapidly wear the corresponding follower, while a damaged or unsuitable follower can accelerate camshaft lobe wear. Metallic debris generated by this wear can circulate through the lubrication system and potentially affect other internal engine components.
  • Because WC-05-062 is supplied as a set of two camshafts, replacing the required components together helps provide consistent valve-train operation across the engine. Correct timing and synchronisation of both camshafts are essential during assembly.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

WC-05-062
WC-05-062
WC-05-072
WC-05-082
WC-05-432

The product you are viewing cross references to these numbers
Camshaft (set of 2). Porsche 911S (74-77) CIS Injection - WC-05-062, WC-05-072, WC-05-082, WC-05-432
1
Camshaft (set of 2). Porsche 911S (74-77) CIS Injection
WC-05-432
Product Information
Product Information
Camshaft (Set of 2).
Restore or upgrade accurate valve-train operation with this OE Match Camshaft Set, reference WC-05-432, supplied as a set of 2 camshafts for compatible engine applications. The camshafts are central components of the valve train, controlling precisely when and how far the intake and exhaust valves open and close throughout each engine cycle.

Fits:
Porsche 911S (74-77) CIS Injection

Size:
#134/149i .465/.450L 304°/284°D

Made of high quality billet blank Web cams have been Race proven for years, and provide reliable HP at all Power ranges.

Special order only

As the camshafts rotate, their carefully profiled lobes act on the corresponding followers, lifters, or other valve-train components. Each cam profile determines important operating characteristics including valve lift, duration, and timing. These characteristics influence how effectively the cylinders fill with the incoming air/fuel charge and how efficiently exhaust gases are expelled.

What This Product Does:
  • Includes 2 camshafts for compatible engine applications.
  • Controls the opening and closing of the intake and exhaust valves.
  • Determines valve timing relative to crankshaft position.
  • Controls valve lift through the profile of the camshaft lobes.
  • Determines how long the valves remain open through camshaft duration.
  • Works with followers or lifters to operate the valve train.
  • Helps control efficient cylinder filling.
  • Supports effective evacuation of exhaust gases.
  • Influences engine torque, power delivery, throttle response, and operating characteristics.
  • Helps maintain coordinated valve operation across the engine.
  • Replaces worn, damaged, or unsuitable existing camshafts.
  • Provides a two-camshaft solution for compatible engine builds.

Symptoms Of Wear Or Failure:
  • Ticking, tapping, or abnormal valve-train noises.
  • Reduced engine power or acceleration.
  • Rough or inconsistent engine operation.
  • Misfires or uneven performance between cylinders.
  • Reduced valve lift.
  • Difficulty maintaining correct valve clearances.
  • Repeated changes in valve adjustment.
  • Flattened or excessively worn camshaft lobes.
  • Pitting, scoring, or other surface damage on the lobes.
  • Excessive wear on followers or lifters.
  • Metallic particles in the engine oil.
  • Abnormal camshaft journal or bearing wear.
  • Visible camshaft damage during engine disassembly.

Why Replacement Matters:

  • Camshafts directly control valve movement and therefore have a significant influence on engine breathing, combustion, and performance. A worn camshaft lobe may no longer provide the intended valve lift or duration, preventing the corresponding valve from opening correctly.
  • Reduced or inconsistent valve movement can restrict airflow into the cylinders or interfere with exhaust gas evacuation. This can contribute to reduced power, poor throttle response, rough running, misfires, and inefficient combustion.
  • Camshafts and their followers or lifters also operate as closely matched contact surfaces. A worn or damaged follower can accelerate camshaft lobe wear, while a damaged camshaft can quickly deteriorate the corresponding follower. Metallic particles produced by this wear may circulate through the engine lubrication system and contribute to additional internal damage.
  • Because WC-05-432 is supplied as a set of two camshafts, correct installation and synchronisation of both components are essential. Incorrect camshaft timing can significantly affect engine operation and, in applications with limited piston-to-valve clearance, may cause serious internal engine damage.
  • Replacing worn or unsuitable components with this OE Match Camshaft Set of 2 – WC-05-432 helps restore accurate valve operation, consistent valve lift and timing, efficient engine breathing, and dependable performance when correctly matched to the intended engine configuration.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

WC-05-432
WC-05-062
WC-05-072
WC-05-082
WC-05-432

The product you are viewing cross references to these numbers
Camshaft, Left. Porsche 911 / 911 L 65-68 - 90110510905
2
Camshaft, Left. Porsche 911 / 911 L 65-68
90110510905/1
Product Information
Product Information
Camshaft, Left.

oematch

Fits:
Porsche 911 / 911 L 65-68
*** from engine number M 091 1001 >>

Click 'Zoom in' for large parts diagram.
Diagram ref no 42

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

90110510905
90110510905

The product you are viewing cross references to these numbers
Camshaft, Left. Porsche 911E 69-73 - 90110518100, 90110518102, 90110518103
3
Camshaft, Left. Porsche 911E 69-73
Special Order item
90110518103
Product Information
Product Information
Camshaft, Left.

Fits:
Porsche 911E 1969-73
For engine with injection system

Diagram ref no 42

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

90110518103
90110518100
90110518102
90110518103

The product you are viewing cross references to these numbers
Camshaft, Left. Porsche 911E 69-73 - 12203, 90110518100, 90110518102, 90110518103
3
Camshaft, Left. Porsche 911E 69-73
90110518103/1
Product Information
Product Information
Camshaft, Left.

Fits:
Porsche 911E 1969-73
For engine with injection system

Diagram ref no 42

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

90110518103
12203
90110518100
90110518102
90110518103

The product you are viewing cross references to these numbers
Camshaft, right. Porsche 911 / 911 L / 911 E 65-73 - 12187, 90110511005, 90110511007, 90110511008
2
Camshaft, right. Porsche 911 / 911 L / 911 E 65-73
90110511008/1
Product Information
Product Information
Camshaft, right.

oematch

Fits:
Porsche 911 / 911 L 65-68 *** from engine number M 091 1001 >>
Porsche 911 E 1970-73

Click 'Zoom in' for large parts diagram.
Diagram ref no 42

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

90110511008
12187
90110511005
90110511007
90110511008

The product you are viewing cross references to these numbers
Camshaft. Porsche 356 / 912 - WC-05-572, WC-05-582, WC-05-012, WC-05-112, WC-05-022, WC-05-222
3
Camshaft. Porsche 356 / 912
WC-05
Product Information
Product Information
Camshaft.
Restore or upgrade valve-train operation with this OE Match Camshaft, available under references WC-05-572, WC-05-112, WC-05-582, WC-05-012, WC-05-022, and WC-05-222. The camshaft is one of the engine's most important valve-train components, controlling when and how far the intake and exhaust valves open during each combustion cycle.

Please Note New cams should be installed using new lifters and proper assembly lube, or Severe damage may occur.

Fits:
Porsche 356 / 912

Sizes:
#1187 .393/.341L x 249/249D W/1.3 Rockers
#86 .423/.358L x 273/273D W/1.3 Rockers
#86-5 .420/.358L x 281/281D W/1.3 Rockers
#622 .435/.368L x 296/296D W/1.3 Rockers
#86a .435/.369L x 290/290D, Solid Lifters, Performance Street Cam
#86b .500/425L x 290/290D W/1.3 Rockers

As the camshaft rotates, its precisely shaped lobes act on the lifters or followers, transferring movement through the valve train to operate the intake and exhaust valves. The profile of each cam lobe determines critical characteristics including valve lift, duration, and timing, which influence cylinder filling, exhaust gas evacuation, engine response, torque delivery, and overall performance.

What This Product Does:
  • Controls the opening and closing of the engine's intake and exhaust valves.
  • Determines valve timing relative to crankshaft position.
  • Controls valve lift through the shape and height of the cam lobes.
  • Determines how long the valves remain open through camshaft duration.
  • Works with lifters or cam followers to operate the valve train.
  • Helps control how efficiently the cylinders fill with the air/fuel mixture.
  • Supports efficient evacuation of exhaust gases.
  • Influences engine torque, power delivery, throttle response, and operating characteristics.
  • Maintains coordinated valve operation throughout the engine cycle.
  • Replaces a worn, damaged, or unsuitable existing camshaft.
  • Provides options for compatible standard, rebuilt, or performance-oriented engine configurations.

Symptoms Of Wear Or Failure:
  • Ticking, tapping, or abnormal valve-train noise.
  • Reduced engine power or acceleration.
  • Rough or inconsistent engine operation.
  • Difficulty maintaining correct valve clearances.
  • Repeated changes in valve adjustment.
  • Reduced valve lift.
  • Uneven engine performance between cylinders.
  • Misfires or poor combustion.
  • Excessive wear or flattening of individual cam lobes.
  • Pitting, scoring, or surface damage on camshaft lobes.
  • Abnormal wear on the lifters or cam followers.
  • Metallic particles in the engine oil.
  • Visible camshaft damage discovered during an engine rebuild.

Why Replacement Matters:

  • The camshaft directly controls the movement of the engine's valves, making its condition fundamental to compression, combustion, and engine performance. If a camshaft lobe becomes worn or flattened, the corresponding valve may no longer open to the intended height or remain open for the correct duration.
  • Reduced valve lift can restrict the amount of air and fuel entering the cylinder or prevent exhaust gases from leaving efficiently. This may lead to reduced power, poor throttle response, rough running, and inefficient combustion.
  • Camshaft and lifter condition are also closely related. A damaged camshaft lobe can rapidly wear the corresponding lifter, while an unsuitable or damaged lifter can accelerate camshaft wear. Metal produced by this wear can circulate through the engine lubrication system and potentially damage other internal components.
  • Correct camshaft selection is particularly important with performance-oriented profiles. Changes in lift, duration, and timing can affect valve-to-piston clearance, valve-spring requirements, rocker geometry, compression characteristics, idle quality, torque delivery, and usable engine-speed range. The complete engine combination must therefore be considered rather than selecting a camshaft solely by reference or appearance.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

WC-05
WC-05-572
WC-05-582
WC-05-012
WC-05-112
WC-05-022
WC-05-222

The product you are viewing cross references to these numbers
Camshaft. Porsche 911 74-77 - 91110514303
5
Camshaft. Porsche 911 74-77
Special Order item
91110514303
Product Information
Product Information
Camshaft. Left.

porsche

Fits:
Porsche 911 1974-77 with Engine Codes:
911.42/43/44/47/48/48
911.81/82/84/85/86/89
911.90/93/94/98/99

Click 'Zoom in' for large parts diagram.
Diagram ref no 42

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

91110514303
91110514303

The product you are viewing cross references to these numbers
Camshaft. Porsche 911 74-77 - 13381, 91110514303
5
Camshaft. Porsche 911 74-77
91110514303/1
Product Information
Product Information
Camshaft. Left.

oematch

Fits:
Porsche 911 1974-77 with Engine Codes:
911.42/43/44/47/48/48
911.81/82/84/85/86/89
911.90/93/94/98/99

Click 'Zoom in' for large parts diagram.
Diagram ref no 42

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

91110514303
13381
91110514303

The product you are viewing cross references to these numbers
Camshaft. Porsche 911 SC / 3.2L 78-89 - 93010514717, 93010514716, 93010514710, 93010514817, 93010514816, 93010514810, 93010514808
3
Camshaft. Porsche 911 SC / 3.2L 78-89
93010514
Product Information
Product Information
Camshaft.
Maintain precise valve timing and dependable engine performance with this OE Match Camshaft, manufactured as a direct replacement. Produced to OE-style specifications, this camshaft is engineered to control the opening and closing of the engine's intake and exhaust valves, ensuring efficient combustion, smooth power delivery, and reliable engine operation.

Fits:
  • Porsche 911 1978-1983 3.0L / SC
  • Porsche 911 1984-1986 3.2L
  • Porsche 911 1987-1989 3.2L G50 

The camshaft is one of the most critical components within the valve train, operating continuously under high loads and engine speeds. Over time, camshaft lobes, bearing journals, or mating surfaces can become worn through insufficient lubrication, high mileage, or contamination, resulting in reduced valve lift, poor engine performance, and increased mechanical noise. Replacing a worn camshaft restores correct valve timing and lift, helping to return the engine to its intended performance. This OE Match component is ideal for routine maintenance, engine rebuilds, repairs, and Porsche restoration projects.

What This Product Does:
  • Controls the opening and closing of the engine valves.
  • Maintains precise valve timing.
  • Ensures efficient airflow into and out of the engine.
  • Supports smooth engine performance and power delivery.
  • Restores correct valve lift and timing.
  • Replaces worn or damaged original camshafts.
  • Provides an OE-style fit and dependable quality.

Symptoms Of Wear Or Failure:
  • Reduced engine performance or power.
  • Excessive valve train noise.
  • Uneven or rough engine idle.
  • Poor throttle response.
  • Increased engine emissions.
  • Visible wear or scoring on the camshaft lobes.
  • Metal particles present during engine servicing.
  • Age or mileage-related valve train wear.

Why Replacement Matters:

  • The camshaft plays a vital role in controlling valve timing and lift, directly influencing engine performance, efficiency, and reliability. A worn or damaged camshaft can reduce engine power, increase valve train wear, affect combustion efficiency, and ultimately lead to more extensive engine damage if left unaddressed.
  • Replacing the camshaft restores accurate valve timing and smooth engine operation, helping the engine perform as originally intended. Manufactured as a direct replacement and produced to OE-style specifications, this OE Match camshaft provides the correct fit, dependable quality, and long-lasting durability, making it an excellent choice for Porsche maintenance, engine rebuilds, repairs, and restoration projects.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

93010514
93010514717
93010514716
93010514710
93010514817
93010514816
93010514810
93010514808

The product you are viewing cross references to these numbers
Camshaft. Porsche 911 T / 911 T-V / 914-6 - 90110513302, 90110513301, 90110513300, 90110513403, 90110513400
4
Camshaft. Porsche 911 T / 911 T-V / 914-6
Special Order item
90110513
Product Information
Product Information
Camshaft. Porsche 911 T / 911 T-V / 914-6

porsche

Fits:
Porsche 911 TU/T 1965-69
Porsche 911 T 1970>>
Porsche 911 T-V 1972>>
Porsche 914-6 1970-76

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

90110513
90110513302
90110513301
90110513300
90110513403
90110513400

The product you are viewing cross references to these numbers
Camshaft. Porsche 911 T / 911 T-V / 914-6 - 12192, 12193, 90110513302, 90110513301, 90110513300, 90110513403, 90110513400
3
Camshaft. Porsche 911 T / 911 T-V / 914-6
90110513
Product Information
Product Information
Camshaft.
Restore accurate valve timing and dependable engine performance with these OE Match Camshafts. Designed for compatible Porsche engine applications, the camshafts are critical internal components responsible for controlling the opening and closing of the intake and exhaust valves.

Fits:
Porsche 911 TU/T 1965-69
Porsche 911 T 1970>>
Porsche 911 T-V 1972>>
Porsche 914-6 1970-76

As the engine rotates, precisely shaped lobes on each camshaft operate the corresponding valve-train components. The profile of these lobes determines valve lift, duration and timing, ensuring that the valves open and close at the correct points in the combustion cycle.

What This Product Does:
  • Control the opening and closing of the intake and exhaust valves.
  • Maintain correct valve timing relative to crankshaft position.
  • Determine valve lift through the profile of the camshaft lobes.
  • Control how long each valve remains open.
  • Transfer rotational movement through the valve train.
  • Help the cylinders receive the correct intake charge.
  • Support efficient evacuation of exhaust gases.
  • Help maintain smooth and consistent combustion.
  • Influence engine power, torque and throttle response.
  • Maintain coordinated valve operation across the engine.
  • Replace worn, scored, pitted or damaged original camshafts.
  • Provide OE-style replacements for compatible Porsche engine applications.

Symptoms Of Wear Or Failure:
  • Ticking, tapping or abnormal valve-train noises.
  • Reduced engine power or acceleration.
  • Rough or inconsistent engine operation.
  • Engine misfires.
  • Uneven performance between cylinders.
  • Difficulty maintaining correct valve clearances.
  • Repeated changes in valve adjustment.
  • Reduced valve lift.
  • Flattened or excessively worn camshaft lobes.
  • Scoring, pitting or surface deterioration on the lobes.
  • Abnormal wear on rocker arms or other cam-contact components.
  • Excessive camshaft journal wear.
  • Metallic particles in the engine oil or oil filter.
  • Visible camshaft damage during an engine rebuild.

Why Replacement Matters:

  • The camshaft determines when and how far the engine's valves open. Even relatively small changes caused by cam lobe wear can affect how efficiently a cylinder draws in its intake charge and expels exhaust gases.
  • A worn cam lobe may provide less valve lift than intended. This can restrict engine breathing and contribute to reduced power, poor throttle response, rough running or uneven performance between cylinders.
  • Camshaft wear can also affect associated valve-train components. Damaged contact surfaces may accelerate wear of rocker arms or other components that operate against the camshaft. Metal particles generated by this deterioration can circulate through the lubrication system and contribute to further internal engine wear.
  • Severe camshaft or journal damage may also compromise smooth camshaft rotation and correct valve timing. Continued operation can turn a valve-train problem into a more extensive and expensive engine repair.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

90110513
12192
12193
90110513302
90110513301
90110513300
90110513403
90110513400

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Camshaft. Porsche 911/911S - 91110514403, 91110514400
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Camshaft. Porsche 911/911S
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91110514403
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Camshaft. Right.

porsche

Fits:
Porsche 911/911S 1974-77

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Diagram ref no 32

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

91110514403
91110514403
91110514400

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About Camshafts

Precision-Engineered Camshafts – Performance, Reliability, and Power for Porsche Engines

Camshafts are the heartbeat of any Porsche engine, controlling the timing and lift of the intake and exhaust valves to ensure precise combustion and efficient power delivery. A well-tuned camshaft defines how your engine breathes, responds, and performs — whether it’s a daily-driven 911 or a track-focused GT model.

At Design911, we supply a complete range of high-quality and performance-grade camshafts engineered to meet or exceed manufacturer specifications. Each camshaft is precision-machined for exact tolerances, ensuring smooth valve operation, consistent timing, and optimal performance across all driving conditions.

What Do Camshafts Do?

Camshafts regulate how air and fuel enter and exit the combustion chamber. By controlling valve timing, lift, and duration, they play a crucial role in engine power and efficiency.

Core Functions:

  • Control valve timing for optimal engine breathing.
  • Determine power characteristics, from low-end torque to high-rpm performance.
  • Synchronise intake and exhaust cycles for smoother operation.
  • Enhance efficiency, combustion stability, and throttle response.

High-performance camshafts are often tuned to deliver sharper throttle response, higher power output, and improved torque delivery for modified or rebuilt engines.

Why Do Camshafts Fail?

Even with Porsche’s engineering excellence, camshafts are subject to wear over time. Common causes of camshaft failure include:

  • Oil starvation leading to friction and surface wear.
  • Excessive heat or poor lubrication degrading cam lobes.
  • Improper timing belt/chain tension causing misalignment or damage.
  • Mechanical fatigue due to extended mileage or racing conditions.
  • Contaminated oil introducing abrasive particles into the valvetrain.

A worn or damaged camshaft can cause loss of power, misfires, rough idle, and reduced engine efficiency — making timely replacement essential to restore peak performance.

Why Replace with Performance-Grade Camshafts?

Replacing worn components with precision-engineered camshafts restores engine reliability and maximises output. Upgraded camshafts can also provide noticeable gains in horsepower and responsiveness.

Key Benefits:

  • Restores valve timing accuracy and smooth engine operation.
  • Increases power and torque, especially in performance-tuned engines.
  • Improves fuel combustion efficiency for cleaner running.
  • Ensures long-term reliability with precision-machined surfaces and premium materials.
  • Perfect fitment with no modification required on compatible Porsche engines.

Whether maintaining a classic flat-six or upgrading a modern turbocharged engine, these camshafts are designed to deliver manufacturer-level precision with motorsport-grade durability.

Highlights:

  • Precision-engineered camshafts for Porsche models old and new.
  • Enhanced performance and reliability, meeting manufacturer standards.
  • Motorsport-grade construction ensures durability under extreme loads.
  • Improved airflow and combustion efficiency for optimal power delivery.
  • Ideal for restorations, rebuilds, and performance tuning projects.
  • Designed for seamless compatibility with Porsche flat-six, turbo, and hybrid engines.       

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