Forged piston set has a compression ratio of 10.5:1 and is for a stock stroke. Set includes rings circlips and pins.
The Keith Black KB912C.STD 107-inch Twin Cam Forged Piston Set is designed for applications using a stock stroke. The piston measures 4.125 inches and has a listed weight of 651 grams. This kit is identified by SKU KB912C.STD and is manufactured in the USA.
For proper break-in, run the engine at moderate speeds for at least 500 miles while avoiding excessive operation in lower gears. Refer to the provided piston fitment instructions for installation guidance. Suggested items include the 107-inch Twin Cam Piston Ring Set Standard and Piston Wrist Pin Lock.
Listed fitment includes 1999–2006 Harley-Davidson FXST models and 1999–2000 Harley-Davidson FLST models. Verify application details before installation.
Features:
- Forged Piston Set: Keith Black 107-inch Twin Cam forged piston set.
- Part Number: KB912C.STD.
- Piston Measurement: Measures 4.125 inches utilizing stock stroke.
- Kit Format: Supplied as a kit.
- Weight: 651 grams.
- Country of Origin: USA.
- Break-In Guidance: Run the engine at moderate speeds for at least 500 miles while avoiding excessive running in lower gears.
- Fitment: Fits 1999–2006 Harley-Davidson FXST models and 1999–2000 Harley-Davidson FLST models.
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