• Wiseco 4-stroke piston ring set
• Made specifically to Wiseco's own piston specifications
• Engineered for compression, sealing, and oil control
• Developed and tested for race-ready performance

Rings Made to Match, Not Just Fit

Wiseco 4-stroke piston ring sets are made specifically to Wiseco's own specifications to provide ultimate performance and sealing when paired with Wiseco's wide variety of 4-stroke pistons. That matched engineering matters because rings and pistons need to work together as a system, from compression and sealing to oil control, and a mismatched ring set can undermine even a great piston's performance. Rings can genuinely make or break piston performance, which is exactly why Wiseco develops and tests these rings specifically for race-ready use. That's exactly the kind of thoughtful design worth paying for.

Compression, Sealing, and Oil Control All Addressed

This ring set addresses all three critical functions of a piston ring package: compression sealing to keep cylinder pressure where it belongs, general sealing to prevent blow-by, and oil control to keep oil consumption in check. Getting all three right at once is what separates a genuinely race-ready ring set from a basic replacement. For anyone running Wiseco pistons, this is the ring set actually engineered to match them. For a component this critical, that level of engineering is worth having.

Straight From Subispeed

The correctly matched ring set for a Wiseco piston build on 2002-2011 WRX / 2004-2011 STI — rings developed and tested specifically for race-ready performance.

This Part Fits:

This is the 92.0mm bore size specifically.