• 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. It's a straightforward improvement that's easy to appreciate once it's installed.

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. That combination of durability and performance is what makes it worth the upgrade.

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 92.5mm bore size specifically.