Total Seal Classic Steel Advanced Profiling Top Ring File-Fit Piston Ring Set - Bore Size: 4.1130" - Top Ring: 1/16" - 2nd Ring: 1/16" - Oil Ring: 3/16" 86030M A real must when using

A real must when using higher performance tires and horsepower upgrades

350 lm - LUX @ 10 meters: 392 lx - Candela: 39

Adjustable Scale w/7 Preset Ranges

2007-2018 GMC Sierra 3500 HD

5/16" bolt hole flex plate

Total Seal Classic Steel Advanced Profiling Top Ring File-Fit Piston Ring Set - Bore Size: 4.1130" - Top Ring: 1/16" - 2nd Ring: 1/16" - Oil Ring: 3/16" 86030M A real must when usingInstead of the gapless top or second ring, sets include conventional AP (Advanced Profiling) steel top rings, with extremely tight tolerances for superior compression sealing. Sets include AP top rings, conventional second rings and three piece, standard tension oil rings. All sets are for eight cylinders. Instructions for file fitting included. Total Seal is known for their piston ring sets. They offer a wide selection of off the shelf options and