Wiseco Pistons 3937XS XS Type Piston Ring Set

Wiseco Pistons 3937XS is a high-quality replacement piston ring set designed specifically for Wiseco pistons. This XS-type ring set delivers the precision engineering and durability that performance engine builders demand.

Key Features:

• XS type ring design for optimal sealing and performance
• Engineered exclusively for use with Wiseco pistons
• Ring type and bore size stamped on piston dome for easy identification
• Precision-manufactured to exact specifications
• Non-interchangeable design ensures proper fitment and performance

Important Installation Notes:

• Check the piston dome for stamped ring type and bore size in millimeters before ordering
• Ring styles cannot be interchanged between different types
• Only Wiseco replacement ring sets should be used on Wiseco pistons to maintain warranty and performance

This replacement ring set allows you to refresh your Wiseco pistons and restore compression without purchasing complete piston assemblies, making it a cost-effective solution for engine rebuilds and maintenance.