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The Keith Black KB912C.STD KB 107-Inch Twin Cam Forged Piston Set is designed for listed Harley-Davidson Twin Cam applications. The piston measures 4.125 inches when used with the stock stroke and has a stated weight of 651 grams. This kit is identified by vendor Keith Black and part number KB912C.STD.
Fitment includes 1999–2006 Harley-Davidson FXST models and 1999–2000 Harley-Davidson FLST models. Verify the listed model, year, engine configuration, and piston specifications before installation to ensure proper application.
For break-in, run the engine at moderate speeds for at least 500 miles while avoiding excessive running in lower gears to properly break in the new pistons and rings. The product data identifies the unit of measure as a kit and the country of origin as the USA. Installation guidance is referenced in the Keith Black piston fitment instructions.
Features:
- Brand and Part Number: Keith Black KB912C.STD
- Product Type: KB 107-Inch Twin Cam forged piston set
- Piston Measurement: 4.125 inches utilizing stock stroke
- Weight: 651 grams
- Unit of Measure: Kit
- Country of Origin: USA
- Fitment: 1999–2006 Harley-Davidson FXST and 1999–2000 Harley-Davidson FLST models
- Break-In Guidance: Run the engine at moderate speeds for at least 500 miles and avoid excessive running in lower gears
Fitment:
Harley Davidson FLST 1999
Harley Davidson FLST 2000
Harley Davidson FLST 2001
Harley Davidson FLST 2002
Harley Davidson FLST 2003
Harley Davidson FLST 2004
Harley Davidson FLST 2005
Harley Davidson FLST 2006
Harley Davidson FLT 1999
Harley Davidson FLT 2000
Harley Davidson FLT 2001
Harley Davidson FLT 2002
Harley Davidson FLT 2003
Harley Davidson FLT 2004
Harley Davidson FLT 2005
Harley Davidson FLT 2006
Harley Davidson FXD 1999
Harley Davidson FXD 2000
Harley Davidson FXD 2001
Harley Davidson FXD 2002
Harley Davidson FXD 2003
Harley Davidson FXD 2004
Harley Davidson FXD 2005
Harley Davidson FXD 2006
Harley Davidson FXST 1999
Harley Davidson FXST 2000
Harley Davidson FXST 2001
Harley Davidson FXST 2002
Harley Davidson FXST 2003
Harley Davidson FXST 2004
Harley Davidson FXST 2005
Harley Davidson FXST 2006
| UOM: KIT |
| Country Of Origin: USA |
| Suggested Items: 11-0291 - 107 inch Twin Cam Piston Ring Set Standard 11-0856 - Piston Wrist Pin Lock |
| Accessory Items: 16-0622 - Ring-O-Matic Ring Compressor Tool Kit 60-0167 16-0075 - Wrist Pin Ring Tool 15-1375 - Cometic Top End Gasket Kit |
| Tech Notes: Piston measures 4.125 inches utilizing stock stroke |
| Measurement: Weight: 651 Grams |
