Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.155" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Oil Ring Tension: Low U-Joint U-Bolt 3/5 Certified (SFI 5)

3/5 Certified (SFI 5)

V-Belt Power Steering Pulley

20% lighter than traditional nylon chute

1984-1995 GMC K1500 Suburban

1969-1970 Jeep J-2700

Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.155" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Oil Ring Tension: Low U-Joint U-Bolt 3/5 Certified (SFI 5)Hastings 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