Wiseco K1623 80-Inch Shovelhead Piston Set Standard

Wiseco piston set is standard 3-1/2 inch bore. Piston set has a compression of 9.5:1 and includes rings.

The Wiseco K1623 80-Inch Shovelhead Piston Set Standard is designed for specified Harley-Davidson FL and FX applications from 1978 through 1984. This piston set is identified for 80-inch Shovelhead engines and is supplied as a kit.

Compatible applications include 1978–1984 Harley-Davidson FL models and 1978–1980 Harley-Davidson FX models, as listed in the product data. Follow the manufacturer’s piston installation and fitment guidance when installing the Wiseco K1623 piston set.

After installation, run the engine at moderate speeds for at least 500 miles. Avoid excessive running in lower gears during this period to help properly break in the new pistons and rings. A Wiseco piston ring set, part number 11-9759, is listed as a suggested item.

Accessory items listed for this product include the Ring-O-Matic Ring Compressor Tool Kit, part number 16-0622; the Connecting Rod Clamping Tool, part number 16-0029; and accessory item 60-0167.

Features:

• Brand: Wiseco
• Part Number: K1623
• Product Type: 80-inch Shovelhead piston set
• Size: Standard
• Application: 1978–1984 Harley-Davidson FL models
• Application: 1978–1980 Harley-Davidson FX models
• Unit of Measure: Kit
• Country of Origin: USA
• Break-In Guidance: Run the engine at moderate speeds for at least 500 miles and avoid excessive running in lower gears

Fitment:
Harley Davidson FL 1978
Harley Davidson FL 1979
Harley Davidson FL 1980
Harley Davidson FL 1981
Harley Davidson FL 1982
Harley Davidson FL 1983
Harley Davidson FL 1984
Harley Davidson FLT 1979
Harley Davidson FLT 1980
Harley Davidson FLT 1981
Harley Davidson FLT 1982
Harley Davidson FLT 1983
Harley Davidson Fx 1978
Harley Davidson Fx 1979
Harley Davidson Fx 1980
Harley Davidson Fx 1981
Harley Davidson Fx 1982
Harley Davidson Fx 1983
Harley Davidson Fx 1984
Harley Davidson FXR 1982
Harley Davidson FXR 1983