JE Pistons for Subaru STI EJ257 99.75mm Bore CR 8.5 KIT Set of 4 Pistons FA20 Timing Parts conical springs are the front

conical springs are the front runners in valvetrain harmonic stability

Maximum Valve Lift 0

262lb at 12

Output is short circuit protected

JE Pistons for Subaru STI EJ257 99.75mm Bore CR 8.5 KIT Set of 4 Pistons FA20 Timing Parts conical springs are the frontDIMS: 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