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.
This Part Fits:
| Year | Make | Model | Submodel | 
| 1988-1991 | BMW | M3 | Base | 
| 1991-1993 | BMW | M5 | Base |