Total Seal Maxseal Gold Gapless Top Ring File Fit Piston Rings - Bore Size: 4.1035" - Top Ring: 1/16" - 2nd Ring: 1/16" - Oil Ring: 3/16" 20-OTL-NR-S Comes with a jam nut

Comes with a jam nut for quick easy installation and has a molded in brass threaded insert with 3/8 - 16 threads

ORACLE Halo Kits are the single most "head-turning" modification you can do for such a small investment

Gasket Fuel Pump Mounting Plate - Chrome

1975-1980 Buick Riviera

Multi US 7002

Total Seal Maxseal Gold Gapless Top Ring File Fit Piston Rings - Bore Size: 4.1035" - Top Ring: 1/16" - 2nd Ring: 1/16" - Oil Ring: 3/16" 20-OTL-NR-S Comes with a jam nutEight cylinder sets have AP (Advanced Profiling) steel top rings with extremely tight tolerances for improved combustion sealing. Sets include AP gapless top rings, conventional second rings, and standard tension oil rings. 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 also offer and the ability to custom order ring sets to meet your specifications.