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Porsche
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Engine Cylinders / Liners / Pistons
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OE MATCH
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Piston set, Dished 94x71mm. Porsche 914 ❭ VW9400T4P
Piston set, Dished 94x71mm. Porsche 914 - VW9400T4P
VW9400T4P
Vehicle Group
- Porsche 914 (1970-1976)
Information
Dished Piston Set, 94x71mm.
Restore engine performance or complete a high-quality engine rebuild with this OE Match Dished Piston Set, 94x71mm, reference VW9400T4P. Designed as a replacement or engine-building component, this piston set features a 94mm bore specification for use in compatible engine configurations with a 71mm stroke. The dished piston crown is designed to provide the required combustion chamber volume for the intended engine combination, helping achieve an appropriate compression ratio when used with correctly matched cylinders, cylinder heads, and engine components.
Fits: Porsche 914, Type 4
Engine size: 2000cc
Stroke: For 71mm stroke crankshafts
Pistons: Hypereutectic aluminium alloy
Compression Height: 35.5mm
Dish cc: 10cc
Set includes: 4 pistons, 4 cylinders, 4 pins and a set of rings
Pistons are among the most heavily loaded components inside an engine. During operation, they transfer combustion force through the connecting rods to the crankshaft while repeatedly travelling within the cylinders at high speed. Accurate piston dimensions, correct clearances, and dependable ring sealing are therefore essential for maintaining compression, controlling oil consumption, and achieving consistent engine performance.
What This Product Does:
Symptoms Of Wear Or Failure:
Why Replacement Matters:
Restore engine performance or complete a high-quality engine rebuild with this OE Match Dished Piston Set, 94x71mm, reference VW9400T4P. Designed as a replacement or engine-building component, this piston set features a 94mm bore specification for use in compatible engine configurations with a 71mm stroke. The dished piston crown is designed to provide the required combustion chamber volume for the intended engine combination, helping achieve an appropriate compression ratio when used with correctly matched cylinders, cylinder heads, and engine components.
Fits: Porsche 914, Type 4
Engine size: 2000cc
Stroke: For 71mm stroke crankshafts
Pistons: Hypereutectic aluminium alloy
Compression Height: 35.5mm
Dish cc: 10cc
Set includes: 4 pistons, 4 cylinders, 4 pins and a set of rings
Pistons are among the most heavily loaded components inside an engine. During operation, they transfer combustion force through the connecting rods to the crankshaft while repeatedly travelling within the cylinders at high speed. Accurate piston dimensions, correct clearances, and dependable ring sealing are therefore essential for maintaining compression, controlling oil consumption, and achieving consistent engine performance.
What This Product Does:
- Forms a critical part of the engine's combustion chambers.
- Transfers combustion pressure to the connecting rods and crankshaft.
- Provides a 94mm piston specification for compatible cylinder configurations.
- Is intended for compatible 71mm-stroke engine combinations.
- Uses a dished crown to provide the required combustion chamber volume.
- Helps establish the engine's compression ratio when combined with the cylinder heads and deck height.
- Supports effective compression and combustion when correctly installed.
- Provides an OE-style solution for compatible engine rebuilds and restoration projects.
Symptoms Of Wear Or Failure:
- Low or uneven cylinder compression.
- Excessive oil consumption.
- Blue smoke from the exhaust.
- Loss of engine power or poor performance.
- Excessive crankcase pressure or blow-by.
- Piston slap, knocking, or abnormal internal engine noise.
- Damaged, cracked, scored, or excessively worn piston crowns or skirts.
- Worn or damaged piston ring grooves.
- Cylinder scoring or excessive piston-to-cylinder clearance.
- Poor sealing identified during compression or leak-down testing.
Why Replacement Matters:
- Pistons are fundamental to engine compression, combustion, and power production. Excessive piston wear, damaged ring lands, worn skirts, incorrect clearances, or physical damage can reduce cylinder sealing and allow combustion gases to escape into the crankcase. This can result in reduced performance, excessive oil consumption, increased emissions, blow-by, and further internal engine wear.
- Damaged or incorrectly specified pistons can also create serious mechanical problems. Incorrect clearances or compression geometry may lead to excessive noise, overheating, poor combustion, piston-to-valve contact, cylinder damage, or catastrophic engine failure.
- Replacing worn or unsuitable components with this OE Match Dished Piston Set, 94x71mm VW9400T4P provides the foundation for restoring correct compression, efficient combustion, and dependable engine performance when installed as part of a properly measured and assembled engine build.
Price: €189.27
In stock
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