Installation kit Genuine Porsche part 91142493100

Short Shift Kit. Porsche 911 1974-86



Factory style short shift kit for 911 2.7 / SC / 3.2
915 GEARBOX from 1974- 86. REDUCED SHIFT BY 20%, complete with gearshift lever.

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91142493100

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Short shift kit - track.



Track car short shift kit for 911 2.7/SC/3.2
915 GEARBOX from 1974- 86. REDUCED SHIFT BY 20%, complete with gearshift lever.

Please CLICK HERE for installation instructions

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91142493100W

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Short shifter kit. Reduces the shift by around 30%

Fits:
Porsche 911 / 912 / 1965-74

Reduce the length of throws and give the shifter in your 911, 912 or 914 a more solid feel with short throw shift kit. Machined from billet stock, this kit will reduce the throw of your shifts by approximately 30% and provide more precise engagement. Weighted to improve the speed and accuracy of your shifts with a minimal increase in effort, this shift kit provides benefits any driver will appreciate.

Download the detailed  installation instructions

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S98024P196574

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Short Shift Kit with Gearshift Lever

Transform the driving experience of your classic Porsche with this Short Shift Kit. Designed for 915 manual gearboxes, this precision-engineered upgrade reduces gear lever travel by approximately 20%, delivering faster, more precise gear changes while retaining the mechanical feel that has made the 915 transmission an icon among Porsche enthusiasts.

Fits:

• Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
• Porsche 911 1978-1983 3.0L / SC
• Porsche 911 1984-1986 3.2L

Supplied complete with a replacement gearshift lever, this OE Match kit is manufactured to OE specifications for accurate fitment and dependable operation. By shortening the distance the gear lever travels between gears, the kit creates a more direct, responsive shift action, enhancing driver confidence whether you're enjoying spirited road driving, touring or a classic track day.

Ideal for restorations, performance upgrades or replacing worn original components, this short shift kit provides a factory-style solution with a noticeably sportier driving experience.

What Does a Short Shift Kit Do?

A short shift kit changes the pivot geometry of the gear lever to reduce the distance required to engage each gear.

Its primary functions include:

• Reduces gear lever travel by approximately 20%.
• Provides quicker gear changes.
• Improves shift precision.
• Delivers a more direct shift feel.
• Reduces unnecessary hand movement between gears.
• Enhances driver engagement.
• Maintains positive gear selection.
• Complements the character of the 915 manual gearbox.

Unlike modifications that alter the gearbox itself, a short shift kit improves the feel of the gear selection mechanism while preserving the original transmission.

Why Upgrade to a Short Shift Kit?

Many classic Porsche owners choose a short shift kit to improve driving enjoyment and refresh worn gear linkage components.

Common reasons for upgrading include:

• Desire for shorter gear changes.
• Worn original gearshift mechanism.
• Excessive shift travel.
• Gear lever replacement during restoration.
• Improving driving precision.
• Refreshing transmission linkage components.
• Performance-focused road use.
• Track day preparation.

A quality short shift kit modernises the shift feel while maintaining the authentic character of the classic Porsche driving experience.

Symptoms of a Worn Gearshift Mechanism

Replacing the gearshift assembly or fitting a short shift kit can help resolve:

• Excessive gear lever movement.
• Long or vague gear changes.
• Worn gear lever pivot.
• Inconsistent gear engagement.
• Sloppy shift feel.
• Difficulty selecting gears accurately.
• Excessive wear in the original mechanism.
• Reduced driving confidence.

While a short shift kit cannot correct internal gearbox wear, it significantly improves the precision and feel of a healthy gear linkage system.

Benefits

• Faster and more precise gear changes.
• Improved driver engagement.
• Reduced shift throw by approximately 20%.
• More direct and responsive gear selection.
• Factory-quality fitment.
• Durable construction for long-term reliability.
• Enhances the driving experience without modifying the gearbox internally.
• Excellent value OE Match upgrade.

Installation Recommendations

For the best results, inspect or replace associated gearshift and transmission components during installation, including:

• Gearshift bushes.
• Shift rod bushes.
• Shift coupler bushes.
• Gearshift housing bushes.
• Gear lever boot.
• Shift coupling.
• Gear linkage hardware.
• Gearbox and engine mounts.

Correct adjustment of the shift linkage after installation is essential to achieve smooth, accurate gear selection and maximise the benefits of the short shift kit.

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91142493100

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Short shift kit. Porsche 911 with 915 gearbox 1974-86
REDUCED SHIFT BY 30%

Short shift kit for the 915 gearbox
Porsche 911 2.7 / SC / 3.2 Carrera from 1974 - 1986.

Please view PDF for fitting instructions

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91142493100

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Short shift kit. Porsche 911 / 914 with 901 or 911 gearbox 1965-72
REDUCED SHIFT BY 30%

Short shift kit for the 901 and 911 gearbox 1965-72
Porsche 911 2.0ltr / 2.2ltr
Porsche 914

Please view PDF for fitting instructions

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91142493100

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Gearshift improver helper spring - for 915 Gearbox

Fits:
Porsche 911 - 1972 to 1986



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915SPRING

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Short (30%) Shift Distance Kit.

Upgrade your Porsche’s gearshift precision with this Short Shift Kit. Designed to reduce shift lever throw by a significant margin, it delivers quicker, more direct gear changes while preserving smoothness and reliability.

Fits:

• Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
• Porsche 911 1978-1983 3.0L / SC
• Porsche 911 1984-1986 3.2L

What This Product Does:

• This is a short-shift kit / short shifter insert for manual gearboxes used in older Porsche 911 models (and compatible transmissions).
  
• Its main function is to reduce the throw / distance the gear lever must travel between gears.
  
• By shortening the shift distance, it allows quicker shifts, giving a more “direct” and sporty feel to the gearbox.
  
• Because the lever movement is reduced, it typically changes the mechanical leverage slightly, which can make shifts feel firmer and more precise (less slack).
  
  

Symptoms Or Signs Of A Worn / Faulty Short-Shift Kit:

• Inconsistent or sloppy shifts - If the mechanism is worn, not properly fitted, or the insert is loose, you may feel slack, missed shifts, or extra play.
  
• Dragging or binding gear lever - If tolerances are tight or misaligned, the lever might bind slightly during movement, especially when shifting quickly.
  
• Noise or rattle in shifter area - A loose insert might cause clicking, rattling, or vibration felt through the shift lever.
  
• Reduced effectiveness / drift - Over time, the kit components (bushings, linkages) can wear, reducing the short-shift benefit or making it feel “softened.”
  
• Gear change errors under high stress / racing - In a performance setting, when you expect crisp shifts, a degraded kit might lead to missed or slow shifts.
  
  

Why Replacement / Upgrade Matters:

• Faster shifts: Less lever travel means quicker transitions between gears, especially useful for spirited driving or track use.
  
• Better shift feel: Reduced slack or play gives a more direct, mechanical, connected feel to the gearbox.
  
• Enhanced driver engagement: More responsive shifting helps the car feel more “driver-oriented” and sporty.
  
• Minimal downsides: A good kit does this without dramatically increasing wear or negatively affecting everyday comfort.
  
• Value in restoration / upgrades: For classic Porsche owners restoring or upgrading, applying a short-shift kit helps modernize the driving experience while retaining originality.

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91142493100

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Short (30%) Shift Distance Kit.

Enhance your Porsche’s driving experience with this Short Shift Kit, designed to reduce gear lever travel by up to 30% for quicker, more precise shifting.
Manufactured to OEM standards, this kit delivers sharper engagement and a sportier, more mechanical shift feel without sacrificing reliability or smoothness.
Perfect for classic Porsche 911 and 912 models equipped with early 901 or 915 transmissions, this kit is one of the most effective performance upgrades for enthusiasts who value control and response behind the wheel.

Fits:

• Porsche 911 1965-1968 2.0L / 912 SWB (F)
  
• Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
  
• Porsche 914 (1970-1976)
  
  

What This Product Does:

• The Short (30%) Shift Distance Kit is designed to reduce the distance your gear lever travels between shifts — giving a sportier, more precise, and faster gear change.
• By altering the shifter mechanism’s leverage ratio, this kit shortens the throw by roughly 20–30%, resulting in a more direct, mechanical feel.

Symptoms Of Worn Or Standard Shift Mechanism:

• Long, vague gear throws – excessive lever movement between gears.
  
• Loose or sloppy feel – due to worn linkage bushings or an outdated geometry.
  
• Missed shifts under load – from excessive travel or worn alignment.
  
• Reduced driver confidence – especially in performance or spirited driving.
  
  

Why Replacement / Upgrade Matters:

• Sharper shifting response: Reduces gear lever travel for faster, crisper engagement.
  
• Improved driver control: Makes each shift more precise and confidence-inspiring.
• Enhanced performance feel: Brings modern shift precision to classic Porsche models.
  
• Ideal for restorations or upgrades: Adds value and driving engagement without compromising originality.

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91142493100

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