Brake Parts
Cooling Parts
Drivetrain & Transmission Parts
Electrical Parts
Engines Parts
Exhaust Parts
Foot Controls & Pegs
Frame & Body
Fuel Parts
Handlebars & Controls
Ignition System Parts
Mounts & Hardware
Performance Chips & Programmers
Racing Exterior & Body Parts
Starting & Charging Parts
Suspension Parts
Windshield & Fairings
Repair Manuals
CLOSE ✕
Brake Parts
Cooling Parts
Drivetrain & Transmission Parts
Electrical Parts
Engines Parts
Exhaust Parts
Foot Controls & Pegs
Frame & Body
Fuel Parts
Handlebars & Controls
Ignition System Parts
Mounts & Hardware
Performance Chips & Programmers
Racing Exterior & Body Parts
Starting & Charging Parts
Suspension Parts
Windshield & Fairings
Repair Manuals
66-84 BT 80in 3-1/2in Bore Cylinder and High Compression Piston Kit
Description
This kit is intended to replace the cylinders and pistons of a 80" shovelhead engine and increase the compression ratio to 9:1. Compatible with stock or S&S cylinder heads. Kit includes S&S 3-1/2" bore high tensile cast iron cylinders, 3-1/2" bore forged high compression pistons for 80" (4-1/4" stroke) engines with rings and wristpins, head gaskets, S&S stainless steel head bolts with washers, base nuts, base gaskets.
Fitment
This part fits the following vehicles.
Harley-Davidson
- 1979-1984 FLH Electra Glide
- 1980-1984 FLHS Electra Glide Sport
- 1984 FLHX Electra Glide Special
- 1981 FLTC Tour Glide Classic
- 1980-1983 FLT Tour Glide
- 1982-1983 FXR Super Glide II
Carb Status
California carb status to be completed
CLOSE ✕
This part is vehicle specific - for a guaranteed fit please close this window and select your ride. Click confirm to add to your cart anyway.
Recently viewed products
Twin Power
07-15 Big Twin 06 Dyna Transmission Main Drive Gear Seal Replaces H-D 12074
$15.99
No image
S&S Cycle
84-99 BT 4-1/8in Bore Cylinder Set For 111in V-Series Engines - Natural
$840.95
No image
S&S Cycle
84-99 BT 84-99 BT 4 1/8in Bore Cylinder Kit For S&S V111 Engine - Natural
$1,571.95
No image
S&S Cycle
66-84 BT 96in 3-5/8in Big Bore Cylinder & Piston Kit For S&S SH96 Engines - Gloss Black
$1,995.95
No image
S&S Cycle
84-99 BT 96in 3 5/8in Big Bore Cylinder & Piston Kit - Natural
$1,390.95
Subscribe to our newsletter to receive exclusive offers, product recommendations, expert tips and more.