HKS FORGED PISTON KIT SUBARU WRX STI EJ20 92.5MM BORE

• Forged piston target clearances are different for each engine. Please check the instruction manual or contact your dealer for details.
• Compression ratio data is based on normal head with no modification and should be used for reference only.

* BORE modification may be required depending on individual cylinder block specification.

HKS forged pistons Kit are sold as complete sets including piston rings, wrist pins and retaining clips. Piston sets are available in standard cylinder bore size, as well as over bore sizes. The surfaces and top ring bands of HKS pistons are put through a nickel plating process and are highly resistant to damage due to abnormal combustion.

SPECIFICATIONS:
Feature: Nickel Chromed and molybdenum coating
Displacement (cc): 2016
Type (mm Dia): 92.5-23
Compression Ratio:
- GC8 Version III~VI: GK t=1.4 e=8.0
- GDB/BE5: GK t=0.7 e=8.1

Included:
- Pistons
- Piston Rings
- Wrist Pins
- Retaining Clip

PRODUCT NOTES:
- Boring and Honing of the engine will be necessary for proper install of this kit.
- Full flow modification is not required.