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- Replica style 3-7/16" bore piston set has 8.5:1 compression ratio and is standard size
- Piston set includes Hasting rings, 2 wrist pins and 4 circlips
- Pistons have a steel expansion control strut cast
- For overhead valve engines
- Replaces OEM: 22101-74A
- Fits:
- Shovelhead FX 1971-1977
- FL 1941-1977