TRUE SEAL™ PLASMA MOLY RING SETS Race winning technology at an affordable price. Superior combustion control in today’s extreme engines. Starting with a plasma moly ring that is barrel lapped for quick seating and long life. Second rings are cast iron reverse torsional twist. The oil ring features a stainless steel expander with chrome plated carbon steel rails. Manufacturered in the most popular bore sizes. A true seal for more horsepower and longer life. All applications are file fit. 1/16" 1/16" 1/8" Standard Tension HRC4870-4155-5...................................4.155” Bore +.005” (File Fit) |