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Manley Platinum Series forged pistons for Chevy LT1 direct-injected engines, 4.075" bore with a -12 cc dish. Built from domestic 2618 alloy forgings, they use proven cam-and-barrel skirt profiles, precise ring lands and grooves, and tool-steel wrist pins. Moly skirt coatings on select SKUs and unique fixturing ensure ring-groove squareness and consistent seal and durability for high-output engines.
Manley Chevy LT1 Direct Injected Series 4.075in Bore -12 cc Dish Platinum Series Pistons
