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PERFORMANCE MOTORCYCLE PARTS AND KITS FOR AMERICAN V-TWINS

S&S Cycle logo

Motorcycle Engine Showcase

T-Series Long Block Engines

T-Series engines for 1999-’06 big twins without fuel or ignition systems.


T111 Motorcycle Engine

The new T111 is a powerful yet quiet motorcycle engine perfect for touring riders.


T124 Engines for 1999-'06 Big Twins

Complete S&S T124 engines are designed to replace the existing Harley-Davidson® Twin Cam 88® engine in a stock chassis, making it easy to get the performance you want from your late model motorcycle.


T124V Engine

The T124V is a 124 cubic inch dual cam engine that bolts directly into 1984–'99 chassis designed for a Harley-Davidson® Evolution® engine.


V80 Engine

The new V80 is the perfect bolt-in engine to replace your aging 80" Harley-Davidson® Evolution®.


V96 Engine



V111 Engine

The new V111 motorcycle engine is designed for torque more than top end horsepower for 1984–'99 Evolution® carbureted chassis


V113 Engine



V124 Engine

S&S V124 engines are designed to replace stock Harley-Davidson® Evolution® big twin engines in 1984-’99 chassis.


X-Wedge Engine

The X-Wedge® engine is an S&S proprietary design with a 56° cylinder angle and three belt driven cams.


Emission Engines

S&S Cycle’s offering of emissions compliant engines varies depending on the regulatory agency with jurisdiction where the engine is to be sold and used. For example, in North America, S&S offers both 49-state and 50-state legal packages for both replacement of stock engines and for custom-built vehicles with 1984-’99 style chassis. S&S’ TÜV approved offering for the European Union covers 1984-’06 style chassis. Custom builders should also not overlook the proprietary S&S X-Wedge® engine.


KN-Kone Engine

The new KN-Kone motor combines the look of a knuckle, with the bullet-proof design and charging system of the 1970-’99 style alternator lower end.


Frankenstein Engines



T124 Stone Gray

2007 - 2014 big twins S&S Stone Gray powder coat finish that matches the Granite color of a “stock” CVO engine Easily bump-up the displacement of CVO 110 engines Improved cylinder liner design for added rigidity and longevity


T-Series Motorcycle Engines



V-Series Motorcycle Engines



SB-Series Motorcycle Engines



Vintage Motorcycle Engines