JE Pistons for Subaru STI EJ257 100mm Bore CR 8.5 KIT Set of 4 Pistons FA Valves Internal Temperature Range -10 -

Internal Temperature Range -10 - 85oC

less than 1% variance from the longest to the shortest

and ported exhaust housing

New O-ring provided

Diagnostic Information

JE Pistons for Subaru STI EJ257 100mm Bore CR 8.5 KIT Set of 4 Pistons FA Valves Internal Temperature Range -10 -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