Wiseco 4280H High Performance Piston Ring Set

The Wiseco 4280H is a high-performance replacement piston ring set designed to fit a single piston. Wiseco offers several ring technologies across their piston lineup, ensuring the right ring package is matched to the application — from budget-conscious builds to late-model EFI and performance applications.

Ring Technology by Wiseco Lineup:

• Pro Tru Series: Plasma moly, pre-gapped ring sets engineered for the budget-minded builder without sacrificing performance
• Sport Compact Kits: Feature high-quality NPR XX rings with steel nitrided top rings and Napier-style second rings for enhanced sealing and durability
• Late Model EFI & Small Block Chevy Pistons: Designed around 1.2mm steel nitride and Napier GFX ring sets for precise oil control and reduced friction
• Big Block Applications: Many sets utilize a .043 back-cut top ring for additional material thickness and improved intake valve clearance

Key Features:

• Replacement individual ring set — fits one piston
• Multiple ring technologies available across Wiseco piston lines
• Steel nitrided top rings for superior wear resistance
• Napier-style second rings for improved oil control
• Pre-gapped for convenience on select series

Note: Ring sets are sold individually. Order the specific quantity needed based on your engine's cylinder count.