Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.155" Top Ring: 5/64", Second Ring: 5/64", Oil Ring: 3/16" - Oil Ring Tension: Standard H776C08XXL 1975-1986 GMC Jimmy

1975-1986 GMC Jimmy

48" wide x 44" long

Delta Flow Technology

Our Exclusive Scavenger Series X-Pipe

#1235 fits Edelbrock low profile dual-quad manifolds and others with 6-7/16" carb center-to-center

Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.155" Top Ring: 5/64", Second Ring: 5/64", Oil Ring: 3/16" - Oil Ring Tension: Standard H776C08XXL 1975-1986 GMC JimmyHastings 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