Hastings "Tough Guy" Claimer Series Racing Piston Ring Set - Bore Size: 4.000" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Plasma Moly Top Ring Fluidampr CVR ProFlow Extreme Water Pumps

CVR ProFlow Extreme Water Pumps

Three -6AN (9/16"-18) ORB O-ring style inlet ports (2 inlet

004" increments with available shim kit

Includes High Grade Hardware

The upper is powder-coated light titanium gray

Hastings "Tough Guy" Claimer Series Racing Piston Ring Set - Bore Size: 4.000" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Plasma Moly Top Ring Fluidampr CVR ProFlow Extreme Water PumpsAffordable 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: