Total Seal T0690-65 TS1 Gapless 2nd Piston Ring Set 4.185" Bore File Fit

The Total Seal T0690-65 TS1 Gapless 2nd Piston Ring Set is engineered for race engine builders who demand maximum sealing performance and reliability. This premium ring set features Total Seal's advanced gapless second ring technology that virtually eliminates blow-by for superior cylinder sealing.

Key Features:

• Ductile iron conventional top ring for excellent durability and heat resistance
• Patented gapless second ring design for superior sealing and reduced blow-by
• 3-piece standard tension oil ring for optimal oil control
• 1/16" top ring, 1/16" second ring, 3/16" oil ring configuration
• 4.185" + .065" oversize bore specification
• File-fit design allows precise end gap adjustment
• Designed for all high-performance applications including nitrous, turbo, and forced induction

Total Seal TS1 Gapless rings deliver exceptional performance benefits including increased horsepower and torque, extended engine life, and typical leak-down figures of 2% or lower. The gapless design reduces oil pan pressure by up to 4 times compared to conventional rings, making this ring set ideal for street performance, racing, and demanding power adder applications. Each set includes rings for one cylinder.