Total Seal Maxseal Piston Rings - Gapless - File-Fit Piston Ring Set - Bore Size: 4.165" - Top Ring: 1/16" - 2nd Ring: 1/16" - Oil Ring: 3/16" 20-OTL-NB-5XL Race Ramps 4 inch height

Race Ramps 4 inch height Trailer Ramps

In 1/10th Second Increments

for increased strength

Dual 7/8-20 in Male Outlet

Total Seal Maxseal Piston Rings - Gapless - File-Fit Piston Ring Set - Bore Size: 4.165" - Top Ring: 1/16" - 2nd Ring: 1/16" - Oil Ring: 3/16" 20-OTL-NB-5XL Race Ramps 4 inch heightEight 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.