3977XH Ring Set 101.00mm for Wiseco Pistons

Ring Set for Wiseco

This 101.00mm piston ring set is designed to seal the combustion chamber and control oil on high-performance four-stroke engines, cross-referencing Wiseco part number 3977XH.

Overview

This ring set gives your rebuild the sealing performance a fresh top end demands. Each ring set is sized at 101.00mm for a precise fit in the matching bore, making it a natural choice for engine builders and riders refreshing a worn piston. The 3977XH ring set works alongside the piston it was engineered for so compression stays where it belongs.

Built For Performance

• 101.00mm bore sizing for a matched fit to the piston it serves
• Ring set configuration covering compression and oil control duties
• Manufactured by Wiseco, a name established in performance piston and ring manufacturing
• Sold as a complete set for one piston
• Cross-reference part number 3977XH for easy lookup ordering

On-The-Job Use

• Top-end rebuilds on high-performance four-stroke engines
• Routine replacement when rings wear and compression drops
• Fresh bore and piston installations during engine service
• Race engine refresh programs between events

Specs At A Glance

Good To Know

Q: How do I know this ring set fits my piston? A: Match the 101.00mm bore size and the 3977XH part number to the piston you are installing. Confirm against your piston's specification before ordering.

Q: Are rings sold individually or as a set? A: This listing is for a complete ring set for one piston. Order the quantity that matches the number of pistons you are rebuilding.

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