
JE Pistons forged piston kit for Subaru EJ257 applications. Built and machined in the USA, JE combines decades of racing expertise into pistons tailored to each engine. This four-cylinder kit lists a 3.927" bore and 8.50:1 compression, with an inverted dome/dish profile. Features include 2618 aluminum construction, proprietary FSR forging, accumulator groove and available skirt coating; kit includes wrist pins, locks and JE Pro Seal rings.
JE Pistons SUB STI EJ257 99.75mm Bore CR 8.5 KIT Set of 4 Pistons