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 30-2340 - 4-Channel Wideband UEGO

30-2340 - 4-Channel Wideband UEGO Controller

Adjustable Scale w/7 Preset Ranges

A real must when using higher performance tires and horsepower upgrades

Talk over the noise and keep your ears protected at the race track

2007-2018 GMC Sierra 3500 HD

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 30-2340 - 4-Channel Wideband UEGOInstead 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