S&S Cycle 99-06 BT T143 Black Edition Longblock Engine - 635 GE Cams

The S&S Cycle T143 Black Edition long block engine offers high-performance upgrades for touring and Dyna motorcycles. Crafted with CNC-machined S&S B3 cylinder heads featuring two-bolt exhaust flanges, this engine ensures improved airflow and durability for demanding riding conditions. The inclusion of S&S 635 easy-start gear drive cams and 1.725:1 rocker arms delivering a total lift of .674 inches enhances power output and throttle response, making it suitable for riders seeking maximum performance. Built with S&S Super Stock™ T2 crankcases with reed breather valves and three-piece flywheels, this engine provides reliable operation and smooth power delivery. The high-flow oil pump and cam cover contribute to efficient lubrication and thermal management, while premium high-performance tappets ensure longevity and consistent performance. Made in the USA, this engine is designed to fit seamlessly into stock chassis without the need for cutting or frame modifications. It is important to note that the engine does not include carburetor, intake, or ignition system components, which must be purchased separately. The design incorporates revised oil routing for models from 1999 to 2006 Touring, eliminating the need for an oil line installation kit. The Black Edition offers a sleek aesthetic and enhanced durability for riders demanding top-tier engine performance in their touring or Dyna motorcycles, making it an excellent choice for custom builds or upgrades.