Hastings "Tough Guy" Racing Standard Piston Ring Set - Bore Size: 4.030" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3.0mm - Oil Ring Tension: Standard 20-OTL-NG-L 1980-1995 Cadillac DeVille

1980-1995 Cadillac DeVille

1981-1986 Mercury Cougar

Increased Torque

0-100 PSI pressure gauge

Hastings "Tough Guy" Racing Standard Piston Ring Set - Bore Size: 4.030" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3.0mm - Oil Ring Tension: Standard 20-OTL-NG-L 1980-1995 Cadillac DeVilleHastings 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