The JE FA20 four-cylinder forged piston kit for Subaru FA-series engines includes four pistons with a 3.425 in. bore and 9.50:1 compression using an inverted dome/dish crown. JE's proprietary Forged Side Relief (FSR) reduces friction and weight, while 2618 aluminum construction supports demanding use. Accumulator grooves and skirt coatings (where applicable) enhance ring seal and reduce wear. Kit ships with wrist pins, locks and JE Pro Seal rings and is made in the USA.
JE Pistons FA20 - 4UGSE 9.5:1 KIT Set of 4 Pistons