Hastings "Tough Guy" Claimer Series Racing Piston Ring Set - Bore Size: 4.040" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Phospate Coated Top Ring Delay Boxes & Components Pneumatic launcher style

Pneumatic launcher style

2020-2021 Ford F-350 Super Duty XL Crew Cab Pickup

NASCAR and many other motorsport disciplines

Replacement SCP #CLB4

The deep line of Holley brands marries tremendous technology with cutting-edge resources and industry roots

Hastings "Tough Guy" Claimer Series Racing Piston Ring Set - Bore Size: 4.040" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Phospate Coated Top Ring Delay Boxes & Components Pneumatic launcher styleAffordable 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: