JE Pistons for Subaru STI EJ257 83mm Stroker 99.75mm Bore CR 8.5 KIT Set of 4 Pistons Turbo Inlets You bet is does -

You bet is does - quick spool

Fits all EJ25 motors

55lbs per min

Improved Air Density: Cooler intake air is denser

Material certified by Callies in house Metallurgical lab

JE Pistons for Subaru STI EJ257 83mm Stroker 99.75mm Bore CR 8.5 KIT Set of 4 Pistons Turbo Inlets You bet is does -DIMS: 10. 25 x 5. 75 x 5. 5 SUB: Forged EJ Pistons As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons for European, import and sport compact applications. Engineered, forged and machined 100% in the USA, JE Pistons are designed for each specific engine and racing application to provide the ultimate combination of durability and performance. From drift track to drag