Hastings "Tough Guy" Claimer Series Racing Piston Ring Set - Bore Size: 4.000" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 1/8" - Plasma Moly Top Ring HASZ20PHOTO 4L 1-5/8 SHORTY HEADERS (CHROME)Why

4L 1-5/8 SHORTY HEADERS (CHROME)Why follow when you can lead

Adjustable Length Fits All Dual Inlet Holley Carburetors (up to 4500 Series)

Ideal for drivers and co-drivers competing in long distance races like the Mint 400

1971-1986 DeTomaso Pantera

Hastings "Tough Guy" Claimer Series Racing Piston Ring Set - Bore Size: 4.000" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 1/8" - Plasma Moly Top Ring HASZ20PHOTO 4L 1-5/8 SHORTY HEADERS (CHROME)WhyAffordable 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: