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Replica style 3-7/16″ bore piston set has a 8.5:1 compression ratio and is oversize .010.
Piston set includes Hasting rings, 2 wrist pins and 4 circlips.
Pistons have a steel expansion control strut cast.
**Note:Run engine at moderate speeds for at least 500 miles, avoiding excessive running in lower gears, in order to properly break-in new pistons and rings.
Fits:
FL 1941-1977
FX 1971-1977
UOM: 1 – KIT