JE Pistons and Rings 99.75 Bore 79mm Stroke 9.5:1 Comp Subaru WRX / STI EJ257 2004-2021 Impreza_1993-2000 Ensure its purity with a

Ensure its purity with a cost effective solution

If you own an EJ20 in a WRX

since the extreme slipperiness may cause synchronizer mesh issues that lead to shifting problems

64 A/R turbine housing

Part #: 251 311 B22

JE Pistons and Rings 99.75 Bore 79mm Stroke 9.5:1 Comp Subaru WRX / STI EJ257 2004-2021 Impreza_1993-2000 Ensure its purity with aPart #: 310937 JE piston designs are specifically engineered for extreme applications up to, and including, professional competition Subaru WRX and STI. In this environment, the higher compression ratios, highest boost or heavy nitrous usage necessitate the higher tensile strength 2618 aluminum alloy. Fitment: SUBARU EJ257 TIME ATTACK "FSR" NOTE: NOW COMPATIBLE WITH EITHER OEM OR AFTERMARKET RODS! SOME BLOCKS MAY REQURE CLEARANCING FOR STROKER