Complete T143 long block assembled with S&S performance components. Fits stock chassis; exhaust and ignition/carbs sold separately.
- High compression long block with special head machining for stock length intake manifolds (S&S manifold size 410)
 - Includes Super Stock™ heads, crankcase, high flow oil pump, cam cover, and easy start 640 gear drive cams
 - Stock style breathing system compatible with stock and most performance air cleaners
 - No fuel system or ignition systems included; oil line installation kit required
 - Made in the USA
 
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.
Flexible metal-wrapped hose with included compression fittings; measured overall for accurate fit. Made in 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.
Complete T-series long block with Super Stock™ heads; revised oil routing for '99–'06 Touring models and no fuel or ignition systems included.
Four-color vinyl display for organizing gaskets, seals and O-rings; 48" W x 32" H, 20 mil vinyl, mounts on 1/8" or 1/4" pegboard. Gaskets and seals sold separately.
Complete T143 long block with S&S performance components; fits in stock chassis. Does not include carb/intake or ignition.
Stainless steel braided oil line with 1/8" NPT chrome compression fittings. Measured overall; made in the USA.
- 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.
Braided stainless steel oil line for universal fit. Includes chrome compression fittings for easy installation. Measured overall, including fittings. Made in the USA.