Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.030" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Oil Ring Tension: Low 23332810 CNC Machined From 6061-T6 Billet

CNC Machined From 6061-T6 Billet Aluminum

Laser cut brackets

Valve Opens Fully at 1 PSI (Note: blowing through it will only partially release the hinge)

090 high alloy aluminum - TIG welded - 18"" X 22"" - 1/2"" Energy impact absorbing foam cover"

Works with GM automatic transmissions using a lockup style torque converter and an electrical speedometer

Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.030" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Oil Ring Tension: Low 23332810 CNC Machined From 6061-T6 BilletHastings 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