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The Manley Coated Extreme piston set for Chrysler Hemi 6.4L (4.090-inch bore, 1.210-inch compression distance, -12.5cc dish) is a forged eight‑piston offering in the Platinum family. These pistons use domestic 2618 alloy forgings, cam-and-barrel skirt profiles, and tool-steel wrist pins, and the Coated Extreme finish indicates skirt or crown coatings where specified. Precise ring lands and fixturing improve ring seal and durability in boosted or high-load builds.
Manley Chrysler HEMI 6.4L 4.090in Bore 1.210in CD -12.5cc Dish Coated Extreme Pistons - Set of 8
