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Manley Platinum Series piston set for Chevy LT1 Direct Injected engines with 4.00in stroke and 4.070in bore for eight‑cylinder applications. These pistons use 2618 alloy forgings combined with proven cam and barrel skirt profiles and premium wrist pins to deliver strength and sealing for high‑output builds. Manley’s manufacturing practices emphasize precise ring lands, groove machining and skirt geometry for durable performance.
Manley Chevy LT1 Direct Injected Series 4.00in Stroke 4.070in Bore -20 cc Dish Extreme Duty Pistons
