Wiseco 3917GFX Wiseco 99.5mm Auto Ring Set for 1 Piston Ring Shelf Stock

Wiseco 4-stroke piston ring sets are made specifically to Wiseco's specifications to provide ultimate performance and sealing with Wiseco's wide variety of 4-stroke pistons. From compression and sealing to oil control, rings can make or break piston performance, which is why Wiseco rings are developed and tested for race-ready performance.