S&S 89 in. stock bore stroker kit upgrades carbureted 80 in. HD 80 Evolution Big Twin engines to 89 in. displacement at approximately 9.25:1 compression
Key Features
Brand Manufactured by S&S Cycle
Category Engine Components
Type Stroker Kits
Specifications
Length 15 in
Width 12.25 in
Height 11 in
Weight 37 lbs
Rider Benefits
S&S 89 in. stock bore stroker kit upgrades carbureted 80 in. HD 80 Evolution Big Twin engines to 89 in. displacement at approximately 9.25:1 compression
Includes a dynamically balanced 4-5/8 in. stroke flywheel assembly complete with S&S heavy duty connecting rods and mainshafts
This kit requires special pistons which must be ordered separately depending on the oversize required for the stock cylinders
Pistons are available for stock or S&S Performance Replacement cylinder heads or for S&S Super Stock cylinder heads
Please review manufacturer details to ensure proper fitment before ordering.