Wiseco K1643 Forged .030 Oversize 8.5:1 Compression Piston Kit

Wiseco 80 inch Evolution flat top piston kit is .030 oversize. Piston kit has a compression of 8.5:1 compression and includes rings.

The Wiseco K1643 Forged .030 Oversize 8.5:1 Compression Piston Kit is designed for select 1984–1993 Harley-Davidson FXR models. This kit features a forged piston design, .030-inch oversize specification and 8.5:1 compression ratio.

For proper break-in, run the engine at moderate speeds for at least 500 miles and avoid excessive operation in lower gears. Refer to the Wiseco piston installation and fitment guide for installation information. Suggested related items include the 11-9764 3-1/2-inch Evolution Piston Ring .030 Oversize and 11-9773 Piston Circlips.

This Wiseco K1643 piston kit is supplied as a kit and has a country of origin of the USA. Confirm application details and required related components before installation.

Features:

• Brand: Wiseco
• Part Number: K1643
• Design: Forged piston
• Oversize: .030 inch
• Compression Ratio: 8.5:1
• Application: Fits 1984–1993 Harley-Davidson FXR models
• Unit of Measure: Kit
• Country of Origin: USA
• Break-In Guidance: Run the engine at moderate speeds for at least 500 miles and avoid excessive running in lower gears
• Suggested Items: 11-9764 - 3-1/2 inch Evolution Piston Ring .030 Oversize, 11-9773 - Piston Circlips

Fitment:
Harley Davidson FLST 1986
Harley Davidson FLST 1987
Harley Davidson FLST 1988
Harley Davidson FLST 1989
Harley Davidson FLST 1990
Harley Davidson FLST 1991
Harley Davidson FLST 1992
Harley Davidson FLST 1993
Harley Davidson FLST 1994
Harley Davidson FLST 1995
Harley Davidson FLST 1996
Harley Davidson FLST 1997
Harley Davidson FLST 1998
Harley Davidson FLT 1984
Harley Davidson FLT 1985
Harley Davidson FLT 1986
Harley Davidson FLT 1987
Harley Davidson FLT 1988
Harley Davidson FLT 1989
Harley Davidson FLT 1990
Harley Davidson FLT 1991
Harley Davidson FLT 1992
Harley Davidson FLT 1993
Harley Davidson FLT 1994
Harley Davidson FLT 1995
Harley Davidson FLT 1996
Harley Davidson FLT 1997
Harley Davidson FLT 1998
Harley Davidson FXD 1991
Harley Davidson FXD 1992
Harley Davidson FXD 1993
Harley Davidson FXD 1994
Harley Davidson FXD 1995
Harley Davidson FXD 1996
Harley Davidson FXD 1997
Harley Davidson FXD 1998
Harley Davidson FXR 1984
Harley Davidson FXR 1985
Harley Davidson FXR 1986
Harley Davidson FXR 1987
Harley Davidson FXR 1988
Harley Davidson FXR 1989
Harley Davidson FXR 1990
Harley Davidson FXR 1991
Harley Davidson FXR 1992
Harley Davidson FXR 1993
Harley Davidson FXR 1994
Harley Davidson FXST 1984
Harley Davidson FXST 1985
Harley Davidson FXST 1986
Harley Davidson FXST 1987
Harley Davidson FXST 1988
Harley Davidson FXST 1989
Harley Davidson FXST 1990
Harley Davidson FXST 1991
Harley Davidson FXST 1992
Harley Davidson FXST 1993
Harley Davidson FXST 1994
Harley Davidson FXST 1995
Harley Davidson FXST 1996
Harley Davidson FXST 1997
Harley Davidson FXST 1998