Description
Speed Pro File Fit Plasma Moly Piston Ring Set 4.125" Bore (+.035") Top Ring: 5 64", 2nd Ring: 5 64", Oil Ring: 3 16", Oil Tension Ring: Standard BR10031 ST5 FN Carbon WEI7155 ST5 FN Carbon 1987 1989 GMC P2500 Speed Pro® offers an array of performance engine parts Whether you are running at the track or on the strip