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This 103 cubic inch S&S SH103 engine fits 1970-84 HD big twin models and is ideal for a building a retro custom bike. Features and benefits • Natural crankcases and black powder coated cylinders • S&S 9.1:1 forged pistons and S&S Super Stock dual plugged cylinder heads • S&S billet cam cover • S&S hydraulic valve train and roller rocker arms • S&S Super Stock™ single fire ignition system • S&S Super carburetor with classic teardrop air cleaner • Two-year warranty
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NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLE. NOT LEGAL FOR SALE OR USE ON ANY EPA POLLUTION CONTROLLED MOTOR VEHICLE.