ZRP 1400HD forged pistons by Wiseco are intended for the 3.0L Toyota 2JZ engine. Supplier data also lists use in the 3.4L stroker configuration with a 94.00 mm crankshaft.
The pistons are made from 2618 alloy with low silicon content and high thermal expansion. The dimensions listed for this product are 86.25 mm, 86.50 mm and 87.00 mm, with compression ratios of 8.5:1 and 9.0:1.
- Product: ZRP 1400HD forged pistons by Wiseco
- Engine: 3.0L 2JZ
- Stroker configuration: 3.4L with a 94.00 mm crankshaft
- Material: 2618 alloy with low silicon content and high thermal expansion
- Part number: 21-GNH8625
Suitable for: Toyota Supra IV (JZA80).

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