Description
Worn or damaged piston rings are a silent killer of engine efficiency—they directly impact compression, blow-by, and power output. The Wiseco Ring Set 3457X delivers precision-engineered sealing for your Big Twin, restoring the combustion efficiency your engine needs to perform reliably. Whether you’re rebuilding a classic Harley-Davidson FL or replacing a single piston, this ring set ensures proper ring-to-bore contact and longevity.
- Bore diameter: 3.457 inches
- Oversize specification: 0.020 inches
- Application: Harley-Davidson FL
- Years: 1948–1964
- Quantity: Single piston set
- Material: Premium ring alloy
- Design: Precision-engineered
- Installation: Bolt-on replacement
- Fitment: Vehicle-specific
- Enhanced compression sealing
- Reduced blow-by loss
- Improved combustion efficiency
