Hastings "Tough Guy" Claimer Series Racing Piston Ring Set - Bore Size: 4.165" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Plasma Moly Top Ring Detroit Speed 1968-1973 Plymouth Road Runner

1968-1973 Plymouth Road Runner

1966-1973 Chevrolet El Camino

Graphics: Venom Green

Shock Mounts & Mounting Hardware

3 in OD Axle Housing

Hastings "Tough Guy" Claimer Series Racing Piston Ring Set - Bore Size: 4.165" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Plasma Moly Top Ring Detroit Speed 1968-1973 Plymouth Road RunnerAffordable and designed to deliver exceptional performance, piston ring sets include choice of plasma moly or phosphate coated cast iron top rings, reverse twist cast iron second rings, and patented Flex Vent, standard tension oil control rings. Sold in eight cylinder sets. Features: Claimer Cast (C) Series includes top rings made of proprietary shell mold cast iron, phosphate coated, with a torsional top ring. Advantages of cast iron rings include: