9900XS Ring Set 89.00mm for Wiseco 89.00mm Piston Ring Set

Ring Set for Wiseco

This 99.00mm ring set is a replacement piston ring assembly for Wiseco part 9900ZV, sized to restore compression and oil control in a matching 99.00mm bore.

Overview

This ring set is a piston ring assembly built for a 99.00mm bore, cross-referenced to Wiseco part 9900ZV. It seals the combustion chamber against the cylinder wall to maintain compression and manage oil. It suits riders and engine builders refreshing a top end on a compatible Wiseco piston setup.

Built For Performance

• Ring set sized for a 99.00mm bore
• Cross-references Wiseco part 9900ZV
• Includes the ring pack for one piston
• Steel ring construction for consistent sealing
• Designed for a matched piston and bore size

Specs At A Glance

Good To Know

Q: What does this ring set fit? A: It matches a 99.00mm bore and the Wiseco 9900ZV application, so confirm your piston part number and bore before ordering.

Q: Are the rings pre-gapped? A: Ring end gaps should always be checked against your bore during assembly, so measure and file as needed for your build.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.