S&S Engines

Complete S&S Cycle engines, built in Wisconsin and shipped free. The T111, T124 and T143 long-blocks bolt into Twin Cam Dyna, Softail and Touring chassis and come with the sprocket shaft spacers, oil line kits, transmission drilling fixtures and installation kits the swap requires. S&S also builds engines for Evolution, Sportster, Buell, Shovelhead, Panhead and Knucklehead applications; ask and we’ll quote it. Order a tuner at the same time so the engine runs right on day one.

Showing 1–24 of 26 resultsSorted by popularity

S&S Cycle Sprocket Shaft Spacer for T-Series Engine Installation in Touring Models
Rated 5.00 out of 5
$71.95
This spacer is required for S&S T-series engine installations in Harley-Davidson Touring models to ensure charging system compatibility. Made in the U.S.A. by S&S Cycle for service-replacement use.
S&S Cycle T124 Long-Block Engine Fits Harley-Davidson Twin Cam Dyna and Touring 1999-2017
Rated 5.00 out of 5
Price range: $8,441.95 through $8,599.95
A complete S&S Cycle T124 Twin Cam long-block engine in four finishes and two cam grinds across three platform groups, compatible with select 1999-2017 Harley-Davidson Twin Cam Dyna and Touring chassis.
S&S Cycle Oil Line Kit Fits Harley-Davidson Touring 2007-2016
$195.95
This oil line kit is required for S&S T-series engine or crankcase installation in 2007-2016 Harley-Davidson Touring FLH and FLT models, excluding twin-cooled configurations.
S&S Cycle Transmission Drilling Fixture Fits Harley-Davidson Touring Twin Cam 2007-2016
$293.95
This drilling fixture kit is required for T-series engine installation in 2007-2016 Harley-Davidson Touring models when replacing a factory Twin Cam engine.
S&S Cycle V111 Evolution Long-Block Engine Fits Harley-Davidson Big Twin 1984-1999
$7,999.95
A complete S&S Cycle V111 Evolution stroker 111 cubic-inch long-block engine in Wrinkle Black, all-Black Edition, or Natural finish, compatible with 1984-1999 Harley-Davidson Evolution Big Twin chassis and custom frames built for alternator-style Evolution engines.
S&S Cycle Long-Block Installation Kit Fits Harley-Davidson Dyna 2007-2017
$699.95
This oil line kit is required for S&S T-series engine or crankcase installation in 2007-2017 Harley-Davidson Dyna models. Made in the U.S.A. by S&S Cycle for service-replacement use.
S&S Cycle T143 Long-Block Engine Fits Harley-Davidson Twin Cam Dyna and Touring 1999-2017
Rated 5.00 out of 5
$10,595.95
A complete S&S Cycle T143 Twin Cam long-block engine in four finishes with the 635 cam grind across three platform groups, compatible with select 1999-2017 Harley-Davidson Twin Cam Dyna and Touring chassis; S&S B3 intake required.
S&S Cycle T111 Long-Block Engine Fits Harley-Davidson FXD FLH/FLT 1999-2016
$8,295.95
A complete S&S Cycle T111 Twin Cam long-block engine in Silver, Wrinkle Black with Chrome, or all-Black Edition finish with 585 gear-drive Easy Start cams, compatible with Harley-Davidson Twin Cam 88 Dyna 1999-2005, Twin Cam 88 Touring 1999-2006, and oil-cooled Twin Cam 96/103 Touring 2007-2016.
S&S Cycle 100 Power Package Fits Harley-Davidson Twin Cam 88 1999-2006
$3,396.95
A complete S&S Cycle 100 cubic-inch big-bore Power Package conversion kit for the Twin Cam 88 engine, available in Silver or Wrinkle Black cylinder finish with chain-drive or gear-drive 585 Easy Start cams, compatible with 1999-2006 Harley-Davidson Big Twin.
S&S Cycle P-93 Series Engine Fits Harley-Davidson Big Twin 1970-1999
Rated 5.00 out of 5
$11,495.95
This engine is designed to fit installation in 1970-1999 custom-built Harley-Davidson Big Twin chassis using alternator or generator-style primary cases.
S&S Cycle V80 Long-Block Engine Fits Harley-Davidson Evolution Big Twin 1984-1999
$7,099.95
A complete S&S Cycle V80 80 cubic-inch Evolution long-block engine in Natural or Wrinkle Black finish, compatible with 1984-1999 Harley-Davidson Evolution Big Twin chassis and custom frames built for alternator-style Evolution engines.
S&S Cycle MK136B Black Edition Engine Fits Harley-Davidson Oil-Cooled M8 Softail 2018-2024
$12,499.95
A complete 136 cubic-inch S&S Cycle Black Edition Milwaukee-Eight crate engine on Softail-specific MKB-Series crankcases, available in 475G 49-state or 550G race-only camshaft configurations, compatible with Harley-Davidson oil-cooled M8 Softail chassis.
S&S Cycle MK136 Black Edition Engine Fits Harley-Davidson Oil-Cooled M8 Touring 2017-2023
$11,999.95
A complete 136 cubic-inch S&S Cycle Black Edition Milwaukee-Eight crate engine on MK-Series Touring crankcases, available in 475G 49-state or 550G race-only camshaft configurations, compatible with Harley-Davidson oil-cooled M8 Touring chassis.
S&S Cycle 128 Power Package Fits Harley-Davidson Oil-Cooled M8 114 and 117 2017-2022
Price range: $3,265.95 through $3,460.95
A complete S&S Cycle 128 cubic-inch big-bore Power Package kit for the oil-cooled M8 114 or 117 engine in three finishes and chain or gear drive configurations, compatible with 2017-2022 Harley-Davidson oil-cooled Milwaukee-Eight Touring and Softail chassis.
S&S Cycle 110 Power Package Fits Harley-Davidson Twin Cam 96 and 103 2007-2017
$3,396.95
A complete S&S Cycle 110 cubic-inch big-bore Power Package conversion kit for the Twin Cam 96 or 103 oil-cooled engine, available in Silver or Black cylinder finish with chain-drive or gear-drive 585 Easy Start cams, compatible with 2007-2017 Harley-Davidson Big Twin.
S&S Cycle V80 Engine Fits Harley-Davidson Evolution Big Twin 1984-1999
Price range: $6,799.95 through $8,599.95
A complete S&S Cycle V80 carbureted 80 cubic-inch Evolution Big Twin crate engine available in Natural or Wrinkle Black, compatible with 1984-1999 Harley-Davidson Evolution Big Twin chassis (Softail, FXR, Dyna, Touring) and custom frames.
S&S Cycle KN93 Alt/Gen Knucklehead Engine Fits Harley-Davidson Big Twin 1970-1999
$13,449.95
A complete 93 cubic-inch S&S KN93 knucklehead-style crate engine on alt/gen-style crankcases with solid lifters, compatible with 1970-1999 Harley-Davidson Big Twin custom chassis using the 1970-1999 primary-case bolt pattern.
S&S Cycle KN93 Generator-Style Knucklehead Engine Fits Harley-Davidson Big Twin 1936-1965
$13,449.95
A complete 93 cubic-inch S&S KN93 knucklehead-style crate engine with authentic generator-style crankcases, compatible with 1936-1965 Harley-Davidson OHV Big Twin Knucklehead chassis (and 1948-1965 chassis with the included motor mount spacer).
S&S Cycle V124 Evolution Long-Block Engine Fits Harley-Davidson Big Twin 1984-1999
$8,299.95
A complete S&S Cycle V124 Evolution stroker 124 cubic-inch long-block engine in all-Black Edition, Chrome with Wrinkle Black, or Chrome with Natural finish, rated 128 hp and 133 ft-lb torque, compatible with 1984-1999 Harley-Davidson Evolution Big Twin chassis and custom frames.
S&S Cycle T143 Head Mounting Bracket Fits Harley-Davidson Touring 2009-2016
Price range: $71.95 through $85.95
The S&S Cycle T143 head mounting bracket family, supplied in 2008 Touring or 2009-2016 Touring year-specific variants, required for installing an S&S T143 engine in a 2009-2016 Harley-Davidson Touring chassis.
S&S Cycle V96R Complete Assembled Engine Fits Harley-Davidson Big Twin Softail 1984-1999
$8,999.95
This engine fits all 1984-1999 Harley-Davidson Evolution Big Twin chassis and custom frames designed to fit alternator-style Evolution primary. Made in the U.S.A. by S&S Cycle for service-replacement use.
S&S Cycle V80R Complete Assembled Engine Fits Harley-Davidson Big Twin Touring 1970-1999
$8,599.95
Compatible with all 1970-1999 Harley-Davidson Evolution Big Twin chassis - Softail, FXR, Dyna, and Touring - as well as custom frames built for alternator-style Evolution primary, 1970-1999. No frame modification.
S&S Cycle 124 Power Package Fits Harley-Davidson Twin-Cooled M8 107 2017-2022
Price range: $3,265.95 through $3,460.95
A complete S&S Cycle 124 cubic-inch big-bore Power Package kit engineered for Twin-Cooled M8, available in two finishes and chain or gear drive configurations, compatible with 2017-2022 Harley-Davidson Twin-Cooled M8 107 Touring chassis.
S&S Cycle 128 Power Package Fits Harley-Davidson Twin-Cooled M8 114 and 117 2017-2022
Price range: $3,265.95 through $3,460.95
A complete S&S Cycle 128 cubic-inch big-bore Power Package kit engineered for Twin-Cooled M8, available in two finishes and chain or gear drive configurations, compatible with 2017-2022 Harley-Davidson Twin-Cooled M8 114/117 Touring chassis.

Showing 1–24 of 26 resultsSorted by popularity