Hastings "Tough Guy" Claimer Series Racing Piston Ring Set - Bore Size: 4.000" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Plasma Moly Top Ring 29064BK Clutch Release Bearing and Slave

Clutch Release Bearing and Slave Cylinder Assembly

5 Rear axles

Chromoly Steel

4160 & 4500 Carburetors

2010-2017 GMC Sierra 1500 78

Hastings "Tough Guy" Claimer Series Racing Piston Ring Set - Bore Size: 4.000" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Plasma Moly Top Ring 29064BK Clutch Release Bearing and SlaveAffordable 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: