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 Bits start on contact

Bits start on contact

or you can use the included adapters for rods with cap screws

for increased strength

without additional sensors

safe and sure mount for all jobs from porting to cc-ing the chambers

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 Bits start on contactEight 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.