Ultima Evolution Engine Case Set for Harley-Davidson (1984-1996) – Natural Finish, Part 206-50
Main bearings are already installed for seamless assembly in the Ultima Evolution Engine Case Set (206-50), a natural-finish, 5-piece flywheel design engineered for Harley-Davidson V-twin engines. The engine case is machined for both bottom case and top cylinder head breathing systems, providing a robust foundation for rebuilds and custom builds.
- Main bearings installed for easy assembly
- Chromoly cylinder studs for enhanced strength
- Main seal spacer and chrome timing hole plug for proper sealing and corrosion resistance
- Case counterbores designed for socket head bolts; stainless socket head case bolts included
- Alignment dowels to maintain true line bore during installation
- Top-end feed screen with spring and oil pressure gauge for oil flow management and monitoring
- Engine case features 3.625-inch bore compatibility
- Manufactured in Taiwan to support durable, professional rebuilds and custom projects
Compatibility and fitment
- Fits Harley-Davidson models across FXD, FXST, FLST, FLT, and FXR families
- Years listed range from 1984 through 1999 for various models, reflecting broad compatibility within the Evo-era lineup
Whether restoring an original bike or building a new custom, the Ultima Evolution Engine Case Set provides a durable, ready-to-assemble foundation designed for long-lasting performance and straightforward installation.
Evolution Ultima engine case set features a natural finish and a 5 piece flywheel design. Engine case is machined for both bottom case and top cylinder head breathing systems.
The Ultima Evolution Engine Case Set (Part Number: 206-50) offers a comprehensive solution for motorcycle builders and restorers seeking high-quality engine components. This set includes main bearings already installed for seamless assembly, along with chromoly cylinder studs that provide durability and strength. The kit also features a main seal spacer, chrome timing hole plug, and case counterbores designed for socket head bolts, ensuring precise fitment and secure assembly. Stainless socket head case bolts are included to enhance corrosion resistance, and alignment dowels are provided for maintaining true line bore during installation. An added top-end feed screen with spring and an oil pressure gauge facilitate optimal engine performance and monitoring. Engine case features accommodate a 3.625-inch bore, suitable for various Harley Davidson models from the mid-1980s to the mid-1990s. This set is manufactured in Taiwan with quality standards suitable for both professional rebuilds and custom projects. Compatibility extends across several Harley Davidson models including FXD, FXST, FLST, FLT, and FXR from 1984 to 1996, making it a versatile choice for vintage and modern Harley enthusiasts. The set’s robust construction and detailed features ensure a reliable foundation for your engine rebuild or upgrade, supporting long-lasting performance and ease of assembly. Whether restoring an original bike or customizing a new build, the Ultima Evolution Engine Case Set provides the essential components needed for a durable and efficient engine setup.
Features:
- Main bearings installed for easy assembly
- Chromoly cylinder studs for enhanced strength
- Main seal spacer included for proper sealing
- Chrome timing hole plug for corrosion resistance
- Case counterbores designed for socket head bolts
- Stainless socket head case bolts for durability
- Alignment dowels for accurate line bore alignment
- Top-end feed screen with spring for oil flow management
- Oil pressure gauge for engine monitoring
- Engine case features 3.625-inch bore compatibility
Fitment:
Harley Davidson FLST 1984
Harley Davidson FLST 1985
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 FLST 1999
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 FLT 1999
Harley Davidson FXD 1984
Harley Davidson FXD 1985
Harley Davidson FXD 1986
Harley Davidson FXD 1987
Harley Davidson FXD 1988
Harley Davidson FXD 1989
Harley Davidson FXD 1990
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 FXD 1999
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 FXR 1995
Harley Davidson FXR 1996
Harley Davidson FXR 1997
Harley Davidson FXR 1998
Harley Davidson FXR 1999
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
Harley Davidson FXST 1999
