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 Shocks & 168 style wedge base

& 168 style wedge base bulbs only

The SBS comes complete with high-strength mounting hardware and instructions

short track racing and during tire mounting/dismounting

Ideal for applications where the Accusump can not be mounted near the driver

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 Shocks & 168 style wedge baseHastings 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