Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.030" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Oil Ring Tension: Standard Turbo Cooler Manifold Impacts full line of helmets

Impacts full line of helmets feature an interchangeable cheek pad for a customized and perfect fit

side skirts

Fits 1970-1974 Chevrolet Camaro and Pontiac Firebird with V8 engine

open-end lug nuts are designed to fit most racing wheel applications and will not pull through the wheel

Small-block Chevy

Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.030" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Oil Ring Tension: Standard Turbo Cooler Manifold Impacts full line of helmetsHastings 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