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Manley Extreme Duty pistons for Chevy LT1 DI (4.070in bore, 12cc dish) are built from domestic 2618 alloy forgings and feature proven cam and barrel skirt profiles for demanding applications. These pistons target tuners and builders who require forged strength and reliable ring seal. Manley specifies exacting ring lands and grooves, premium wrist pins and manufacturing fixturing that maintains ring-groove-to-skirt squareness for robust engine performance.
Manley Chevy LT1 Direct Injected Series 4.070in Bore -12 cc Dish Extreme Duty Pistons
