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The JE Pistons 400 SBC dome 18° eight‑piston kit provides a race‑grade forged option for 400ci small‑block Chevy builds. Forged from 2618 aluminum in the USA and machined to a 4.155 in. bore with a 2.50 cc dome, the design incorporates JE’s Forged Side Relief forging to minimize friction and weight. Accumulator groove and optional skirt coating aid ring seal and reduce wear and operating noise for consistent power delivery.
JE Pistons 400 SBC DOME 18DEG Set of 8 Pistons
