Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.030" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 1/8" - Oil Ring Tension: Standard R01J003XL The distributor caps are stress-relieved

The distributor caps are stress-relieved immediately after molding to ensure dimensional stability

Forward Mounting

using the large Gladiator U-joint cross which never needs grease

875 in OD - Small Block Ford (Set of 16) 89311-16

4 is the ideal option for anyone wanting a budget-friendly

Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.030" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 1/8" - Oil Ring Tension: Standard R01J003XL The distributor caps are stress-relievedHastings 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