Total Seal TNT File-Fit Gapless Second Ring Piston Ring Set - 4.130" Ring Size, 1/16" Top Ring - 1/16" 2nd Ring - 3/16" Oil Ring Tach Wiring Harness Perfomer RPM

Perfomer RPM

Has expansion rate very similar to cast iron

2002-2005 BMW 745Li

An optional feature on the RS3

Compact inserts are placed into rod ends of suspension

Total Seal TNT File-Fit Gapless Second Ring Piston Ring Set - 4.130" Ring Size, 1/16" Top Ring - 1/16" 2nd Ring - 3/16" Oil Ring Tach Wiring Harness Perfomer RPMTotal Seal's patented gapless piston rings provide increased performance through unmatched cylinder sealing. Increased horsepower and torque and longer engine life are just some of the reasons why Total Seal's Gapless Rings are the best available. TS1 sets are engineered for racing engines and utilize a ductile iron top ring. Total Seal is known for their piston ring sets. They offer a wide selection of off the shelf options and also offer and the