Ultima Engine Case Set Polished for Harley Davidson FXD/FXST/FLST (3.875"–4.00" Bore)

The Evolution Ultima polished engine case set is built for a 3-piece flywheel design and is machined for both bottom case and top cylinder head breathing systems, delivering a precise, ready-to-install replacement or upgrade for Harley Davidson models from the mid-1980s to the mid-1990s.

• Main bearings installed for quick assembly
• Chromoly cylinder studs for increased strength
• Main seal spacer for effective sealing
• Chrome timing hole plug for corrosion resistance
• Case counterbores for socket head bolts for secure fastening
• Stainless socket head case bolts for corrosion resistance
• Alignment dowels for true line bore alignment
• Top end feed screen with spring for filtration and flow control
• Oil pressure gauge for monitoring engine health
• Engine case compatible with 3.875-inch and 4.00-inch bores

Fitment covers Harley Davidson FLST, FLT, FXD, FXR, and FXST model families from 1984 through 1999. Manufactured in Taiwan, this polished set combines durability with a sleek finish to enhance restorations or full rebuilds. Part number 206-73.

Evolution Ultima engine case set features a polished finish for a 3 piece flywheel design. Engine case is machined for both bottom case and top cylinder head breathing systems.

The Evolution Ultima Engine Case Set Polished by Ultima is designed to provide a high-quality replacement or upgrade for a range of Harley Davidson models from the mid-1980s to the mid-1990s. This comprehensive set includes main bearings installed for ease of assembly, chromoly cylinder studs for durability, and a main seal spacer to ensure proper sealing and longevity. It also features a chrome timing hole plug and case counterbores for socket head bolts, which facilitate precise assembly and maintenance. The set is equipped with stainless socket head case bolts and alignment dowels, which guarantee accurate line bore alignment, resulting in optimal engine performance. Additionally, a top-end feed screen with spring and an oil pressure gauge are included to monitor engine health and ensure proper lubrication. Crafted specifically for engines with 3.875-inch and 4.00-inch bores, this case set is suitable for a variety of Harley Davidson models from the 1980s and 1990s, making it an ideal choice for restorations or rebuilds. Manufactured in Taiwan, this set offers excellent quality and durability, meeting the needs of both professional mechanics and dedicated enthusiasts alike. Its polished finish adds a sleek, customized look to your engine, while the comprehensive nature of the set reduces the need for multiple parts sourcing, saving time and effort during installation or overhaul. Whether you're restoring an older model or upgrading your current engine, the Ultima Engine Case Set delivers reliability, precision, and style.

Features:

• Main bearings installed for quick assembly

• Chromoly cylinder studs for increased strength

• Main seal spacer for effective sealing

• Chrome timing hole plug for corrosion resistance

• Case counterbores for socket head bolts for secure fastening

• Stainless socket head case bolts for corrosion resistance

• Alignment dowels for true line bore alignment

• Top end feed screen with spring for filtration and flow control

• Oil pressure gauge for monitoring engine health

• Engine case compatible with 3.875-inch and 4.00-inch bores

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