Piston set, JE Forged 86mm. Porsche 356 C /912  ❭  0081186JEP

JE Forged 86mm Piston Set 

Upgrade or rebuild your classic Porsche engine with this OE Match JE Forged 86mm Piston Set, designed for Porsche 356C and SC models from 1963–66 and Porsche 912 models from 1965 onwards with the 3-piece engine case.

Fits:

• Porsche 911 912 SWB (F)
• Porsche 356C 1963-65

with the 3-piece engine case

Manufactured from JE 2618 forged aluminium, these performance pistons provide excellent strength and durability for demanding engine builds. They feature a 30° piston angle, zero offset and additional material beneath the piston crown for the valve pocket.

Designed for a 1600cc engine with a 74mm stroke, the pistons feature a .155 dome height and 9.5:1 compression ratio, making them ideal for compatible Porsche 356 and 912 engine rebuilds and performance applications.

Why Choose JE 2618 Forged Pistons?

JE forged pistons use 2618 aluminium alloy for excellent strength under demanding engine conditions. Forged construction makes them an excellent choice for performance upgrades and high-quality engine rebuilds.

Benefits include:

• JE 2618 forged aluminium construction
• High strength and durability
• 30° piston angle
• Zero piston offset
• Extra material beneath the crown for the valve pocket
• Suitable for performance and restoration engine builds

Key Specifications

• Piston diameter: 86mm
• Engine size: 1600cc
• Stroke: 74mm
• Pistons: JE 2618 forged
• Dome height: .155
• Compression ratio: 9.5:1
• Piston angle: 30°
• Zero offset
• Extra material under piston crown for valve pocket

Kit Includes

• 4 JE forged pistons
• Complete set of piston rings
• 4 wrist pins
• Wrist pin clips

Porsche 356C / SC & 912 Forged Pistons and Engine Rebuild Components

Correct piston specification is essential when rebuilding or upgrading a Porsche 356C, 356 SC or early Porsche 912 engine. Piston diameter, stroke, compression ratio and crown angle must be correctly matched to achieve dependable performance.

The OE Match 0081186JEP combines an 86mm piston diameter with JE 2618 forged construction, a 74mm stroke specification, 30° piston angle and 9.5:1 compression ratio, providing a strong solution for compatible classic Porsche engine builds.

Related reference numbers
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0081186JEP

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