Wiseco 80 inch Evolution domed piston kit is .020 oversize. Piston kit has a compression of 10:1 and includes Hastings X Ring pack. Bore is 3 1/2 inch
Upgrade your Harley Davidson FXR engine with the Wiseco Forged .020 10:1 Compression Piston Kit, designed for optimal performance and durability. Crafted in the USA, this piston kit is engineered specifically for models from 1984 to 1993, ensuring a precise fit and reliable operation. The forged construction provides increased strength and resistance to wear, making it ideal for both stock rebuilds and performance upgrades.
The kit includes everything needed to restore or enhance your engine's power output. Features include a high-quality piston with a .020 inch oversize ring groove, a wrist pin, and necessary rings, all designed to work seamlessly together. Proper break-in procedures are recommended, such as running the engine at moderate speeds for at least 500 miles and avoiding excessive running in lower gears to ensure the pistons and rings seat properly. For detailed installation instructions, please visit the Wiseco guide at this link.
To complete your rebuild, consider using accessory tools such as the Ring-O-Matic Ring Compressor Kit and Wrist Pin Ring Tool, which facilitate proper installation and maximize longevity. This piston kit is a vital component for maintaining the performance, reliability, and longevity of your Harley FXR engine, whether for daily riding or high-performance applications.
Features:
- Material: Forged aluminum for strength and durability
- Compression Ratio: 10:1 for improved power output
- Oversize Ring: .020 inch for enhanced sealing and performance
- Compatibility: Fits Harley Davidson FXR models from 1984 to 1993
- Country of Origin: Made in the USA
- Includes: Piston, wrist pin, rings, and all necessary components
- Installation Notes: Run engine at moderate speeds for at least 500 miles to properly break-in new pistons and rings.
- Recommended Accessories: Ring-O-Matic Ring Compressor Kit, 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
