Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
This JE Pistons four‑cylinder piston kit is made for Subaru EJ series applications with a 3.927" bore and 9.50:1 compression, 0.25" oversize and an inverted dome/dish profile. Forged from 2618 aluminum in the USA, the kit uses JE's FSR forging, may include accumulator grooves and skirt coatings, and ships with wrist pins, locks and JE Pro Seal rings for performance builds.
JE Pistons SUB STI EJ257 Block w/ EJ20 Head 99.75mm Bore 0.25 Oversize CR 9.5 KIT Set of 4 Pistons
