Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.125" Top Ring: 5/64", Second Ring: 5/64", Oil Ring: 3/16" - Oil Ring Tension: Standard Weld-On Bung and Plug 1977-1987 Ford E-250 Econoline Club

1977-1987 Ford E-250 Econoline Club Wagon

These lash caps are precision machined and ground perfectly flat to maintain accuracy of valve train adjustment

GM Fullsize Truck 2020-24

The Centerforce SST (Solid Street Twin) 10

Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.125" Top Ring: 5/64", Second Ring: 5/64", Oil Ring: 3/16" - Oil Ring Tension: Standard Weld-On Bung and Plug 1977-1987 Ford E-250 Econoline ClubHastings 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