ZRP Diamond forged pistons are designed for the Nissan GT-R R35 VR38DETT engine. The design is intended for the 3.8-litre VR38DETT engine, with a nominal compression ratio of 9.5:1.
The pistons are made from 2618 aluminium alloy and use H-13 tool steel pins. The specified piston diameter is 95.50 mm, while the supplier’s data also mentions a 94.40 mm crankshaft.
Specifications
- Engine: 3.8L VR38DETT
- Piston diameter: 95.50 mm
- Compression ratio: 9.5:1
- Material: 2618
- Pins: H-13, tool steel
- Piston rings: 1.2 mm × 1.5 mm × 3.0 mm
- Grade: Grade 2
- Identification code: H9052500185C
Suitable for: Nissan GT R I (R35).

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