JE Pistons forged eight‑cylinder piston kit for 305 SBC 4‑valve applications, specified with a 3.766 in. bore, 1.560 compression height and -5.0 cc volume. It’s intended for performance domestic engines where precise piston shape supports combustion control. Forged in the USA from 2618 aluminum, these pistons use JE’s Forged Side Relief (FSR) forging to reduce skirt width and friction. Depending on the exact application, an accumulator groove and skirt coating may be included to aid ring sealing and reduce wear.
JE Pistons 305 SBC 4V FT APBA Set of 8 Pistons