Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.030" Top Ring: 5/64", Second Ring: 5/64", Oil Ring: 3/16" - Oil Ring Tension: Standard HELMET-BAG-XL Bars / Channel / Springs

Bars / Channel / Springs

COMP Cams Endure-X Solid Roller Lifters are engineered to withstand the demands of aggressive cam lobe designs and increased RPM ranges

radial grooves

Ford Compact Truck 1998-2012

1975-1996 Ford F-250

Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.030" Top Ring: 5/64", Second Ring: 5/64", Oil Ring: 3/16" - Oil Ring Tension: Standard HELMET-BAG-XL Bars / Channel / SpringsHastings 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