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 130913 NOTE: Use large rear bearing

NOTE: Use large rear bearing TBAA-4621-A (HM-89443) and small front bearing B7A-4621-A (M88048) with this retainer

Kit includes specially designed aluminum washers which allow the socket head fasteners to install flush with the surface creating a smooth finished look

We think every day is an opportunity to innovate and a chance to beat yesterday

and 200R4 transmissions (Fits Transmissions w/ 1/4-18 NPSM Straight Threads)

Ultra-Flex 650

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 130913 NOTE: Use large rear bearingAffordable 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: