Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.165" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Oil Ring Tension: Standard 931113 60-210 Degree F

60-210 Degree F

Not compatible with 1976 Pontiac 400 blocks due to factory notches at the top of cylinders

Titanium Ceramic

25% more flow at pressure than our A1000 Brushless Fuel Pump

Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.165" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Oil Ring Tension: Standard 931113 60-210 Degree FHastings 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