Drop-in T143 long block built with S&S components for a high-performance upgrade that fits stock chassis.
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Braided stainless steel oil line for universal fit. Includes chrome compression fittings for easy installation. Measured overall, including fittings. 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.
S&S T143 long block; includes cylinder heads, cam train, crankcases and oiling components. Does not include intake or ignition.
- 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
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.
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.
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.
Quality construction with exact dimensions ensures a leakproof fit. Sold each; two required per motor.