Hastings "Tough Guy" Claimer Series Racing Piston Ring Set - Bore Size: 4.060" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 1/8" - Plasma Moly Top Ring 91301 The Zamp Z-25 Dirt Jacket

The Zamp Z-25 Dirt Jacket is designed specifically for Karting

Contoured seat bottom

6 in Long Body

2009-2013 Chevrolet Express 4500

Product Dimension (LxWxH): 5

Hastings "Tough Guy" Claimer Series Racing Piston Ring Set - Bore Size: 4.060" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 1/8" - Plasma Moly Top Ring 91301 The Zamp Z-25 Dirt JacketAffordable 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: