Motorshop Evolution 80 Inch Short Block for Harley FXST FLT
Shipped fully assembled, the Motorshop Evolution 80 Inch Short Block is a ready-to-install 80 cu in V-twin replacement designed for Harley‑Davidson FXST and FLT models from 1984 to 1991. Built around a durable S&S crankcase, it delivers reliable operation under demanding riding conditions.
- Fully assembled short block for easy installation
- S&S crankcase for durability and performance
- Sifton oil pump and breather assembly for efficient oil circulation and engine breathing
- Stock stroke flywheels with stock cam and pinion gear for a factory-like fit
- Timken bearings throughout for smooth operation and longevity
- Chrome nose cone covers and chrome lifter blocks with standard tappets
- Manufacturer’s Statement of Origin included
- Made in the USA
- Fitment: FLST 1986–1991; FLT 1984–1991; FXR 1984–1991; FXST 1984–1991
V-Twin short blocks are shipped fully assembled.
The Motorshop Evolution 80 Inch Short Block is a high-performance engine component designed for Harley Davidson FXST and FLT models from 1984 to 1991. This fully assembled short block features a durable S&S crankcase, ensuring reliable operation under demanding conditions. It comes equipped with a Sifton oil pump and breather assembly, which provide efficient oil circulation and breathing to maintain engine health. The stock stroke flywheels are matched with stock camshaft and pinion gear, offering a factory-like fit with optimal performance. Timken bearings are used throughout the assembly, promoting smooth operation and extended engine life. The short block includes chrome nose cone covers and chrome lifter blocks fitted with standard tappets, combining durability with aesthetic appeal. The manufacturer’s Statement of Origin is supplied, confirming authenticity and quality. This engine assembly is shipped fully assembled, allowing for straightforward installation and minimal downtime, making it ideal for professional rebuilds or custom builds where quality and reliability are priorities. The Evolution 80 inch short block is crafted in the USA, ensuring quality control and adherence to industry standards. Compatible with a range of Harley Davidson models from the mid-1980s to early 1990s, this engine component is an excellent choice for restoring or enhancing vintage Harley Davidson motorcycles.
Features:
- S&S crankcase for durability and performance
- Sifton oil pump and breather assembly for efficient oil circulation
- Stock stroke flywheels and cam with matched pinion gear for reliable operation
- Timken bearings throughout for smoothness and longevity
- Chrome nose cone cover and lifter blocks with standard tappets for aesthetic and functional quality
- Fully assembled short block for easy installation
- Made in the USA, ensuring high manufacturing standards
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 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 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 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
