HASTINGS

Rings 80evo +.005

Part # DS-750653

• —Includes top compression rings, second compression rings, and oil control rings
• —Top Compression Rings are Barrel Face
• —Helps in the the heat transfer process between the piston and cylinder wall
• —Controls combustion chamber gases allowing the piston to transfer the energy of the expanding combustion gases, to the crankshaft
• —Second Compression Ring are Reverse Torsional Taper Face
• —Promotes side sealing that prevents oil from being forced under and behind the ring resulting in better oil economy
• —Reverse twist ring along with a taper-machined ring face duplicates the OD bottom side scraping edge of a positive twist torsional ring
• —Oil Control Rings are Three Piece Flex Vent
• —Three-piece design allows rails to be manufactured with a small cross sectional area for better conformability to bore
• —Provides uniform pressure through four steel rails and two expanders assuring positive oil control
• —Made in the USA
• —Due to the thermal conductivity and design of KB pistons, special attention is required to the top ring end gap. Please read instructions furnished with piston for correct ring installation.
• —Includes enough rings for two pistons (unless noted).
• —Two rings per groove, except for the rails that will be two rail rings per one expander ring.