The Wiseco RED Series forged piston set for Chevrolet Small Block 400 applications is an eight‑piston kit sized to a 4.135 in. bore and 1.125 in. compression height, suitable for performance engine builds. Manufactured from 2618 aluminum and precision machined, these pistons feature horizontal slot oiling for improved wrist pin lubrication, ArmorGlide skirt coating to lower friction and wear, premium rings included, and an accumulator groove to help maintain ring seal under stress.
Wiseco RED Series Chevy Small Block 400 4.135in Bore 1.125in CH -21.00 CC Piston Set