description

Upgrades 74in. and 80in. Shovelhead engines to 84in. displacement at approximately 8.4:1 or 7.3:1 compression (depending on pistons used). Includes a dynamically balanced 4 1/2in. stroke flywheel assembly complete with S&S heavy-duty connecting rods and mainshafts. Reuse the stock cylinders, saving cost and retaining stock appearance of the engine. Minor crankcase and cylinder modifications are required that can easily be done with hand tools. Kit requires special pistons which must be ordered separately (Contact S&S for required pistons).

fitment

• FLFB Electra Glide 1966-1969
• FLH Electra Glide 1970-1984
• FLHB Electra Glide 1966-1969
• FLHC Electra Glide Classic 1979-1981
• FLHF 1970-1972
• FLHFB Electra Glide 1966-1969
• FLHS Electra Glide Sport 1980-1981
• FLHS Electra Glide Sport 1984
• FLHX Electra Glide Special 1984
• FLT Tour Glide 1980-1983
• FLTC Tour Glide Classic 1981-1983
• FX Super Glide 1971-1978
• FXB Sturgis 1980-1982
• FXE Super Glide 1974-1978
• FXE Super Glide 1981-1984
• FXEF Fat Bob 1979-1981
• FXR Super Glide II 1982-1983
• FXRS Low Glide 1982-1983
• FXRT Sport Glide 1983
• FXS Low Rider 1977-1982
• FXSB Low Rider - Belt 1983-1984
• FXWG Wide Glide 1980-1984