JE Pistons forged piston kit for Small Block Ford 20° head engines includes eight pistons sized for a 4.155 in bore with 1.230 CD and 0.927 pin. Forged from 2618 aluminum in the USA, these pistons incorporate JE's Forged Side Relief design, and—depending on application—feature accumulator grooves and skirt coatings to reduce friction and improve ring control for high‑demand racing and performance engine builds.
JE Pistons Small Block Ford (20 Degree Head) 4.155 Bore / 1.230 CD / 0.927 Pin - Set of 8