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In 2003, to celebrate 45 years in business, S&S Cycle has built the ultimate high performance V-twin engine. This engine is a tribute to the original founders, George and Marjorie Smith. In addition, it commemorates Harley-Davidsonís 100th Anniversary. It is also intended to honor all passionate builders, riders, entrepreneurs, and enthusiasts who have helped grow the 100-year evolution of the V-Twin motorcycle market. The limited production 145 cubic inch Tribute 145 motor, which is capable of producing over 185 hp and 180 ft. lb. of torque, is the product of 45 years of experience. It features the latest in technology, from the special "Big Fin" design 4 3/8" cylinders and high flow B2 CNC oval port heads, to the S&S Variable Fuel Injection (VFI) system with dual 2.062" throttle body, manifolds and special billet velocity stacks. For the ones that like a Big carburetor over injection we have the Tribute 145 engine with a carburetor available. Each Tribute engine is fully polished and built around S&S Special Application crankcases. The bottom end uses the same hardened forged steel flywheels and 1 1/2" press-in crank pin as the Super Sidewinder Plus engines. Actual displacement is 144.7 cubic inches (2.371 cc!), with an 11:1 compression ratio. Tribute 145 specific parts include the cylinders, flattop pistons, 8 1/4" billet steel connecting rods, and billet gear cover and velocity stacks. Cylinder heads are prototypes of the B2-Race casting for Twin Cams and fully CNC-ported. They utilize 2.2" intake valves and 1.8" exhaust valves, which are activated by "Old Reliable" - the S&S 631 camshaft. The 145 Tribute engine is available with carburetor as well as Injection & both models feature a HVHP oil pump that keeps the moving parts moving. Fuel Injection equipped engines come with the S&S VFI electronic fuel injection and include a fuel pump with incorporated pressure release valve. Carbureted engines come with a Super D carburetor. Engine has 2 3/8" diameter exhaust ports, exhaust pipes must be custom made. These S&S Tribute 145 engines are very limited in availability. Note: The 145 Tribute is 1 1/4" higher as a stock engine, it will not fit stock frames without modification. Fuel Injected engine uses a 2001 thru 2003 style wiring harness from a Fuel Injected model.

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