JE Pistons for Subaru STI EJ257 99.75mm Bore CR 8.5 KIT Set of 4 Pistons FA20 Timing Parts Clutch Disc Diameter (Inches): 9

Clutch Disc Diameter (Inches): 9

conical springs are the front runners in valvetrain harmonic stability

Maximum Valve Lift 0

These are the same tools used by us to perform the ½” head stud machining to the EJ

JE Pistons for Subaru STI EJ257 99.75mm Bore CR 8.5 KIT Set of 4 Pistons FA20 Timing Parts Clutch Disc Diameter (Inches): 9DIMS: 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