Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.030" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3.0mm - Oil Ring Tension: Standard Fire Suppression System Nozzle 1968-1979 Chevrolet El Camino

1968-1979 Chevrolet El Camino

2001-2019 Chevrolet Silverado 2500 HD

Single Valve Springs from COMP Cams allow you to build the perfect spring assembly for your application

and 2 3/4" O

Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.030" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3.0mm - Oil Ring Tension: Standard Fire Suppression System Nozzle 1968-1979 Chevrolet El CaminoHastings racing piston rings deliver race winning performance in even the most extreme applications. The low tension, low friction design provides unsurpassed combustion seating and exceptional sealing. Each set includes plasma moly, high tensile cast iron top rings; reverse twist, taper faced cast iron second rings, and choice of standard or low tension Flex Vent stainless steel oil control rings. Low tension oil rings make significant increases in