Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.155" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Oil Ring Tension: Standard 3550224-156-XXL Fits 2/4 Wheel drive and

Fits 2/4 Wheel drive and all wheelbases

1" open carburetor spacer

Adjustable in fitting and hose plumbing path

000 mile oil drain intervals capabilities

We’ve included the most common terminals and connectors that will help you with troubleshooting

Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.155" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Oil Ring Tension: Standard 3550224-156-XXL Fits 2/4 Wheel drive andHastings 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