Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.040" Top Ring: 5/64", Second Ring: 5/64", Oil Ring: 3/16" - Oil Ring Tension: Standard RG20001 2021 Ford F-150 Lariat SuperCrew

2021 Ford F-150 Lariat SuperCrew Cab Pickup

1986-1998 Mercury Grand Marquis

-inch DOM tubing

This Circle Grommet Vent Plug Kit includes 10 pieces to make it simple to close air flow off by inserting them into the ventilation holes

Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.040" Top Ring: 5/64", Second Ring: 5/64", Oil Ring: 3/16" - Oil Ring Tension: Standard RG20001 2021 Ford F-150 Lariat SuperCrewHastings 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