Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.125" Top Ring: 5/64", Second Ring: 5/64", Oil Ring: 3/16" - Oil Ring Tension: Standard 10294 5/16 in 12 Point Head

5/16 in 12 Point Head

the pump is warrantied for 3-yrs to the original purchaser

Duration 283 / 303

Shape: Banana

Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.125" Top Ring: 5/64", Second Ring: 5/64", Oil Ring: 3/16" - Oil Ring Tension: Standard 10294 5/16 in 12 Point HeadHastings 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