Wiseco Pistons 3447X Ring Set Harley-Davidson - 87.55mm

The Wiseco 3447X is a high-performance piston ring set designed specifically for Harley-Davidson applications with an 87.55mm bore size. This precision-engineered ring set is manufactured to Wiseco's exacting standards for optimal sealing, heat transfer, and durability in demanding V-twin engine environments.

Key Features:

• 87.55mm bore diameter for proper cylinder wall sealing
• Engineered exclusively for use with Wiseco pistons
• Premium materials for superior heat resistance and longevity
• Precision gap settings for optimal compression and oil control
• Includes rings for one piston (order quantity needed for complete engine build)

Wiseco piston rings are designed as a matched set to work seamlessly with their corresponding Wiseco pistons, ensuring proper ring groove fit, tension, and sealing characteristics. These rings feature advanced coatings and materials that reduce friction while maintaining excellent cylinder wall sealing throughout the engine's operating range. Ideal for engine rebuilds, performance upgrades, or racing applications where reliability and power are critical.

Important: This ring set is compatible only with Wiseco pistons and will not properly fit other manufacturers' pistons due to specific groove dimensions and tolerances.