JE Pistons for Subaru STI EJ257 83mm Stroker 100mm Bore CR 8.5 KIT Set of 4 Pistons EBCS Skirt coating (depending on application)

Skirt coating (depending on application) reduces friction and wear on piston skirts and cylinder walls while simultaneously reducing operating noise

Width: 126 mm

With the MonsoonX you have all the tuning capabilities of the AtomX

Height: 42 mm

Installation of this Accessport over anything other than OEM or COBB software may result in ECU/TCU failure

JE Pistons for Subaru STI EJ257 83mm Stroker 100mm Bore CR 8.5 KIT Set of 4 Pistons EBCS Skirt coating (depending on application)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