Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.165" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Oil Ring Tension: Standard 110006 24K gold plated for maximum

24K gold plated for maximum conductivity

1982-1986 Oldsmobile Firenza

Black oxide finished bolts include hardened washers

0 m/s on the 54cm to 59cm size

Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.165" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Oil Ring Tension: Standard 110006 24K gold plated for maximumHastings 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