Sifton piston set is standard size for a 3-5/8" Big Bore. Has a 9.75:1 compression, 3-5/8" bore with a 4-5/8" stroke.

VT No: 11-1709
Sifton piston set is standard size for a 3-5/8" Big Bore. Has a 9.75:1 compression, 3-5/8" bore with a 4-5/8" stroke.
**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:
FLT 1984-1998
FXST 1984-1998
FXR 1984-1994
FLST 1986-1998
FXD 1991-1998
UOM: 1 - KIT
Country of Origin: Imported

Manufacturer: Sifton
2018 Catalog pages: 184

2017 Catalog Page: 182

V-Twin Manufacturing Part Number: 11-1709
Manufacturer:
Manufacturer Part Number:

Harley-Davidson & Indian OEM Cross Reference Part Numbers:            

Tech Notes:
Suggested to use with #12-0949 Piston Wrist Pin Lock.

Replacement Items:
11-0871 - Piston Wrist Pin and Lock Kit
12-0949 - Piston Wrist Pin Lock

Detailed Instructions: CLICK HERE!