Motorshop 88 Inch Evolution Black Big Bore Cylinder For Harley FXR
Boost your Harley FXR's displacement from 80 to 88 cubic inches with the Motorshop 88 Inch Evolution Big Bore Cylinder. The black cylinder features a bore size of 92.075 mm (approximately 3.63 inches) and measures about 3-5/8 inches in diameter. The bottom spigot diameter is 3.875 inches, ensuring secure mounting on compatible FXR cases. For a precise final fit, honing is required and case boring will be necessary during installation.
Designed for Harley-Davidson FXR models from 1984 to 1993, this cylinder is manufactured in Taiwan with a durable black finish that balances longevity and aesthetics. When upgrading, order a top end gasket kit separately to achieve proper sealing and performance. This big bore cylinder is compatible with Evolution Big Bore Kit and standard piston configurations, expanding your upgrade options.
Key specifications
- Bore size: 92.075 mm (≈ 3.63 in)
- Outer diameter: approximately 3-5/8 in
- Bottom spigot diameter: 3.875 in
- Compatibility: Harley-Davidson FXR models 1984–1993
- Finish: Durable black finish
- Manufacturing: Made in Taiwan
- Installation notes: Honing required; case boring necessary; professional installation recommended
- Top end gasket kit: Sold separately
- Accessory compatibility: 11-1253, 11-0532, 11-1258, 11-9948
Increase your stock 80 inch Evolution engine with our big bore cylinder to 88 inch cubic inches.
Upgrade your Harley Davidson FXR with the Motorshop 88 inch Evolution Big Bore Cylinder, designed for precision fitment and enhanced performance. This black cylinder measures approximately 3-5/8 inches in diameter and requires honing for the perfect final fit. It features a bore size of 92.075mm (around 3.63 inches) and the bottom spigot measures 3.875 inches, ensuring compatibility with specific Harley FXR models from 1984 to 1993. Constructed in Taiwan, this cylinder offers reliable quality for your engine rebuild or upgrade project. To achieve optimal sealing and performance, a top end gasket kit should be ordered separately. Proper case boring will be necessary for final fitment, emphasizing the importance of professional installation for the best results. This component is ideal for enthusiasts seeking to increase engine displacement and power output while maintaining the classic Harley style. With its durable construction and precise dimensions, the 88 inch Evolution Big Bore Cylinder is a vital upgrade for Harley FXR owners aiming to boost their motorcycle’s performance. Whether restoring or customizing, this cylinder provides a robust foundation for your engine build. Compatibility with other accessory items like the Evolution Big Bore Kit and standard piston kits makes it a versatile choice for various upgrade configurations.
Features:
- Bore Size: 92.075mm (approximately 3.63 inches) for increased engine displacement
- Material: Durable black finish designed for longevity and aesthetics
- Compatibility: Fits Harley Davidson FXR models from 1984 to 1993
- Finish: Honing required for final fitment to ensure optimal performance
- Construction: Made in Taiwan with high manufacturing standards
- Installation: Requires case boring for proper fitment
- Bottom Spigot Diameter: 3.875 inches for secure mounting
- Accessory Items: 11-1253 - 83 inch Evolution Big Bore Cylinder Kit, 11-0532 - 88 inch Evolution Big Bore Cylinder Silver, 11-1258 - 83 inch Evolution Big Bore Cylinder Kit, 11-9948 - 88 inch Evolution Standard Piston Kit
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
