Manley Performance Chevrolet LS piston set for eight-cylinder LS engines, sized with a 4.165 in bore, 1.315 in compression height and −20.00 cc dish. From the Platinum Series, these forged 2618 pistons feature cam-and-barrel skirt profiles, tool-steel wrist pins and moly skirt coatings on select part numbers. Precise ring land and groove standards plus Manley’s fixturing support reliable ring seal and consistent machining tolerances.
Manley Chevrolet LS Piston Set - 4.165in Bore 1.315in CH, -20.00 CC