Description
The S&S CYCLE T143 Long-Block Engine delivers serious displacement and proven performance in a package engineered specifically for 2006-2017 Harley-Davidson Dyna models—no frame modification required. With CNC-machined B3 cylinder heads, gear-drive Easy-Start cams, and a high-flow oil system optimized for hard acceleration, this engine transforms your bike into a genuine performer. Built in the USA and designed for riders who demand reliability alongside raw power, the T143 is the foundation for a truly custom Dyna build.
- CNC-machined S&S B3 heads
- Two-bolt exhaust flanges
- S&S super stock T2 crankcases
- Reed breather valve included
- Three-piece flywheels
- High-flow oil pump
- S&S 635 gear-drive cams
- 1.725:1 rocker arms
- .674″ total lift
- Premium high-performance tappets
- Wrinkle black finish
- Stainless steel oil lines
- Rear-routed oil pickup tube
- Fits stock chassis unmodified
- Dyna-specific oil line kit required
- Carburetor/intake sold separately
- Ignition system sold separately
- Custom/T143 exhaust required
- Made in USA
- MPN: 310-0883A
Wire transfer required to order. Does not ship free. Call to order 231-767-5055. Excluded from additional discounts.
