Chevrolet Performance 19166958 - LSX454 Piston, 4.185 bore

Forged dished piston with valve reliefs. Must be used with LSX rods. Lightweight, includes rings and wrist pins. 4.185" bore .866" wrist pin size. 1.2mm compression ring lands and a 2.0mm oil control ring land. NOTE: Not compatible with production-style LS connecting rods. Must be used only with new LSX connecting rods with 0.866" wrist pin bores.