Hastings "Tough Guy" Racing Standard Piston Ring Set - Bore Size: 4.000" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Oil Ring Tension: Standard GBD2 Easy Access Fully Adjustable Mechanical

Easy Access Fully Adjustable Mechanical Advance

Install 10-1/8" hybrid style rotor (ALL42094) and GM Metric D154 series caliper on stock height or lowered Mustang II spindles with this bolt-on caliper bracket

X-Terminator

25-inch heavy-wall DOM tubing for increased strength

54089 and 54091 throttle bodies

Hastings "Tough Guy" Racing Standard Piston Ring Set - Bore Size: 4.000" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Oil Ring Tension: Standard GBD2 Easy Access Fully Adjustable MechanicalHastings 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