80 FLH-FX Piston Set .010 Oversize
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Keith Black dome piston set is .010 oversize with a 7.2:1 compression ratio for 1980-1984 80 inch Shovelhead models.
The Keith Black 390 hypereutectic alloy is cast in a permanent steel mold which makes it possible to build a light weight piston that makes more power and uses less fuel and lasts longer. Pistons are .010 over sized for a 3.498 inch bore and has a 8:1 compression ratio. The low heat transfer of the alloy keeps the skirts cool so piston expansion is minimal. The combination of a low heat transfer piston alloy and high compression ring placement increases power and economy. The high ring placement alone reduces detonation and increases the top ring temperature. **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.
Product Details
- Manufacturer: Keith Black
- V-Twin Part Number: 11-2236
- Manufacturer Part Number: KB288.010
- Category: Engine
- Product Group: Piston
- Product Type: 80 Pistons"
- Country of Origin: USA
Fitment
- 1978-1984 FL
- 1978-1984 FX
- 1979-1983 FLT
- 1982-1983 FXR
Please verify fitment before ordering.
