Wiseco 80 inch Evolution flat top piston kit is .040 oversize. Piston kit has a compression of 8.5:1 compression and includes rings.
The Wiseco Forged .040 8.5:1 Compression Piston Kit is designed for optimal performance and durability in Harley Davidson FXR models from 1984 to 1993. Crafted in the USA, this kit includes high-quality forged pistons engineered to provide consistent power delivery and reliable operation under various riding conditions. The kit features precision-machined components ensuring a perfect fit and smooth operation, making it suitable for both stock rebuilds and performance upgrades. Proper break-in procedures, including running the engine at moderate speeds for at least 500 miles and avoiding excessive running in lower gears, are recommended to ensure longevity of the pistons and rings. Comprehensive instructions are available at this link for proper installation and break-in procedures. This kit is compatible with stock and performance-oriented Harley FXR models, providing an excellent upgrade for enhancing engine power and efficiency.
Features:
- UOM: KIT: Complete piston assembly for easy installation
- Country of Origin: USA: Manufactured with high-quality standards
- Material: Forged construction for strength and durability
- Compression Ratio: 8.5:1 for optimal performance
- Includes: Pistons, rings, and necessary hardware
- Fitment: Compatible with Harley Davidson FXR models from 1984 to 1993
- Accessory Items: 16-0622 - Ring-O-Matic Ring Compressor Tool Kit, 60-0167 - Wrist Pin Ring Tool, 16-0075 - Wrist Pin Ring Tool
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
