Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.040" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Oil Ring Tension: Low 84304A Current product lines include cold

Current product lines include cold air intake systems

coupled with built-in location for axle and telescoping tube

Crossover Delay

This kit limits cam movement to 20 degrees

Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.040" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Oil Ring Tension: Low 84304A Current product lines include coldHastings 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