JE Pistons and Rings 99.5 Bore 83mm Stroke 8.5:1 Comp Subaru WRX / STI EJ257 2004-2021 Vehicle Model_Supra 4-puck ceramic sprung disc for

4-puck ceramic sprung disc for quick engagement and tremendous holding power

3in Cat Pipe

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

this kit suited to 34mm inside diameter housing

2 ft braided stainless steel hose

JE Pistons and Rings 99.5 Bore 83mm Stroke 8.5:1 Comp Subaru WRX / STI EJ257 2004-2021 Vehicle Model_Supra 4-puck ceramic sprung disc forPart #: 291063 JE piston and ring designs are specifically engineered for extreme applications up to, and including professional competition for your 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: JE Pistons and Rings for SUBARU 2004+ IMPREZA STI , 2005+ FORESTER XT, LEGACY GT, 2006+ WRX EJ257 Features: 2618 T6 high