Total Seal Maxseal Gold Gapless Top Ring File Fit Piston Rings - Bore Size: 4.1130" - Top Ring: 1/16" - 2nd Ring: 1/16" - Oil Ring: 3/16" 20-OTL-NR-2XL Custom Tailor Tach Sweet To

Custom Tailor Tach Sweet To Match Powerband/Rev LimitAuto Meter Gauges are the number one choice of professional racers worldwide

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2014 - 2016 BMW 328d

Total Seal Maxseal Gold Gapless Top Ring File Fit Piston Rings - Bore Size: 4.1130" - Top Ring: 1/16" - 2nd Ring: 1/16" - Oil Ring: 3/16" 20-OTL-NR-2XL Custom Tailor Tach Sweet ToEight 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.