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Comprehensive kit to upgrade a stock Shovelhead; includes cylinders, pistons, flywheel assembly, rods, pushrods, gaskets and a heavy-duty top motor mount.
Complete bolt-in engine performance kit from S&S. Includes cylinders, piston kits with pins and clips, Easy Start® cams, Quickee pushrods, TC3 cam support plate and oil pump, and precision hydraulic tappets. Made in USA. Not for '06 Dyna; '99–'04 Twin Cams need separate valve spring kit.
Premium S&S long block assembly with CNC heads, gear-driven cams, high-flow oiling, and Super Stock crankcases. Requires T143-specific or custom exhaust. Carb/intake and ignition sold separately.
Bolt-in engine kit that increases displacement to 100 ci and improves valvetrain durability. Includes cylinders, piston kits, S&S 585 cams, Quickee pushrods, TC3 cam support plate and oil pump, and precision hydraulic tappets. Not for '06 Dyna; not compatible with S&S 79 cc Super Stock® heads.
Complete bolt-in engine performance kit containing S&S cylinders, piston kits, S&S 585 cams, Quickee pushrods, TC3 cam support and oil pump, and precision hydraulic tappets. See compatibility notes before ordering.
Complete S&S performance kit to increase displacement and torque. Includes 4" big-bore cylinder, 10.5:1 pistons, 585 cams, Quickee Pushrods, and hydraulic tappets. Not for S&S 79cc heads.
High-compression long block. Includes Super Stock™ heads, crankcase, high flow oil pump, cam cover, and easy start 640 gear drive cams. Special head machining fits stock length intake manifolds (S&S manifold size 410). Oil line installation kit required. No fuel system or ignition included. Made in the USA.
Complete performance kit with big-bore cylinder, Easy Start cams, Quickee pushrods, and premium hydraulic tappets. Made in the U.S.A. Not for use with S&S 79cc heads.
T-Series long block with Super Stock heads, TC3 oil pump and Easy start 585 gear drive cams. Intake not included; professional installation recommended.
Long block with high-compression heads, special head machining for stock-length intake manifolds, revised oil routing for ’99–’06 touring models, includes Super Stock heads and 640 gear drive cams. Not compatible with Softail. Made in the U.S.A.
Complete long block assembly; intake not included. Super Stock™ heads and crankcase, Easy Start 585 cams, and TC3 oil pump. Made in the USA.