Mahle Rings Chevy 427/454 Engs 66-77 Chevy Trk 454 7.4L Eng 70-90 Chry 383 Eng Plain Ring Set

Set; Chrome Facing; Material Cast Iron / Cast Iron / Stainless Steel; Axial Height: 5/64 IN / 5/64 IN / 3/16 IN MAHLE Original piston rings are the most technically advanced piston rings in the industry. Driven by OE requirements; reducing friction and ring mass while minimizing engine oil consumption, and providing longer service life. MAHLE is one of the largest OE piston ring manufacturers in the world and leads the industry for the latest piston ring technology. Features & Benefits: Highest quality OE replacement piston ring set available - MAHLE Original replacement ring sets are designed with OE form, fit, and function. MAHLE Original piston rings feature cast iron or ductile cast iron upper compression rings with a positive twist and barrel face for instantaneous break in. MAHLE Original second rings provide superior oil control, improved combustion gas management, top ring stability, and sealing providing the best possible oil control and least amount of power loss. MAHLE Original CP-20 oil rings provide superior oil control in all applications utilizing the exclusive 20 degree ear angle for the best possible side seal in the piston oil ring groove and simplifies installation. MAHLE continues to lead the industry with SAE 9254 high alloy steel napier second rings providing high quality grey iron/ductile iron BT and RBT second rings.