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.
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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.
Converts '99-'06 Twin Cam engines (except '06 Dyna Glide) to roller-style cam chains and hydraulic adjusters. Requires additional '07-'17 components; a list is included. Made in the USA.
Complete long block assembly; intake not included. Super Stock™ heads and crankcase, Easy Start 585 cams, and TC3 oil pump. Made in the USA.
Fits 88–110 ci engines; reverses rear cam rotation to allow higher lifts. Requires inner-cover modification and professional tools. Kit includes cams, gears, bearings, gasket and instructions. Made in the USA.
High-performance S&S T143 long block with CNC-machined heads and gear drive cams. Fits stock chassis; exhaust and induction components sold separately. Made in the USA.
Computer-designed, heat-treated alloy-steel cams. Four-gear set required for installation; installer must verify coil bind and valve clearances.
- Complete long block assembled with S&S high-performance components.
- T143-specific or custom exhaust required.
- Does not include carb/intake or ignition system.
- Fits in stock chassis; no cutting or frame modifications required.
- Computer-assisted cam design for precise timing
- Alloy steel billet construction with heat treatment
- Made in the USA
- Four-gear set required; installer must verify clearances
Complete V111 long-block for Evolution big twin fitment; ~30% more HP/torque, short-stroke design, HVHP oil pump, 4-1/8" x 4-1/8" bore/stroke, 9.8:1 compression.
Computer-aided cam design; alloy steel billet construction with heat treatment. Made in the USA. Requires four-gear set; installer must verify clearances prior to final assembly.
Complete V124 long-block with S&S heads and internals; bolts into stock or aftermarket EFI or carb setups. Made in USA.