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Manley Platinum Series forged pistons for Small Block Chevy LS series feature domestic 2618 alloy forgings, cam-and-barrel skirt profiles and moly skirt coatings on select SKUs for reduced wear. These 4.030-inch bore pistons include premium wrist pin options, precise ring lands and grooves, and manufacturing fixturing that ensures groove-to-skirt squareness for improved ring seal and consistent power delivery in high-performance engine builds.
Manley Small Block Chevy LS Series 4.030in Bore - 1.115in CD - -18 cc Dish Platinum Series Pistons
