Hastings "Tough Guy" Claimer Series Racing Piston Ring Set - Bore Size: 4.030" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 1/8" - Plasma Moly Top Ring R07C15YL Eliminates OE By-Pass & Bolts

Eliminates OE By-Pass & Bolts to the Mounting Holes Inside Oil Filter Pocket

The combination of rod ends and bushings gives you improved steering feel and responsiveness

Like all Flowmaster products the benefits include improved throttle response

2" Shoulder Accomodates HNR / HANS Device

Hastings "Tough Guy" Claimer Series Racing Piston Ring Set - Bore Size: 4.030" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 1/8" - Plasma Moly Top Ring R07C15YL Eliminates OE By-Pass & BoltsAffordable 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: