Wiseco 4210H High-Performance Piston Ring Set

The Wiseco 4210H is a replacement piston ring set designed to fit a single piston. Wiseco offers multiple ring set configurations across their product lineup to match the specific demands of each piston family, ensuring proper sealing, oil control, and long-term durability.

Key Features:

• Plasma Moly Pre-Gapped Rings – The Pro Tru piston line utilizes plasma moly pre-gapped ring sets, offering a cost-effective performance solution for budget-conscious builders
• NPR XX Steel Nitrided Rings – Sport Compact kit pistons are paired with NPR XX rings, featuring high-quality steel nitrided top rings and Napier-style second rings for superior sealing performance
• 1.2mm Steel Nitride & Napier GFX Ring Sets – Late-model EFI pistons and select small block Chevy applications utilize precision 1.2mm steel nitride top rings combined with Napier GFX second rings
• .043 Back-Cut Top Ring – Many big block applications feature a .043 back-cut top ring, providing additional material thickness in the area surrounding the intake valve
• Replacement / Individual Ring Set – Sold as a complete ring set for one piston, making it ideal for single-cylinder replacements or custom builds

Wiseco piston rings are engineered to complement Wiseco pistons and deliver consistent performance in street, track, and competition environments. Always verify ring end gap and consult Wiseco's specifications prior to installation.