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; oil line kit required. No fuel or ignition systems included. Compatible with stock-length intake manifolds and most air cleaners.
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.
Complete T-series long block with Super Stock™ heads; revised oil routing for '99–'06 Touring models and no fuel or ignition systems included.
Complete T143 long block with S&S performance components; fits in stock chassis. Does not include carb/intake or ignition.
- Super Stock™ heads and crankcase
- Easy start 585 gear drive cams with redesigned cam cover
- TC3 oil pump and cam plate
- Made in the USA
- Intake system not included; compatible with stock or aftermarket systems
- '99-'05 style cylinder heads; '06 models require '99-'05 offset intake flanges
- Revised oil routing removes need for oil line kit on '99-'06 Touring models
High-compression long block; oil line installation kit required; no fuel or ignition systems included; fits stock-length intake manifolds (S&S manifold size 410); includes Super Stock™ heads and 640 gear drive cams; made in USA.
Drop-in T143 long block built with S&S components for a high-performance upgrade that fits stock chassis.
S&S T143 long block; includes cylinder heads, cam train, crankcases and oiling components. Does not include intake or ignition.
Four-gear set for gear-driven cams; includes secondary cam gears, outer cam drive gear, outer pinion drive gear and mounting hardware.
May increase valve train noise; oversized and undersized gears available. Made in the U.S.A.
Turnkey V124 long-block for '84-'99 Evolution big twins or '70-'99 custom frames; includes S&S heads and forged internals.
Turnkey V124 long block for '84–'99 Evolution Big Twin and '70–'99 custom frames; includes S&S heads, 640 cam, forged components; made in USA.
High-compression long block including Super Stock™ heads, crankcase, high-flow oil pump, cam cover and 640 gear drive cams; oil line kit required. No fuel or ignition systems included.
Black Edition MK136 engine with 475G camshaft. Made in the USA. For oil-cooled applications; closed-course competition use only.
Machined 6061 billet aluminum cam cover kit with polished or chrome finish and chrome-plated points cover.