S&S Cycle T143 Black Edition Long Block — Select 2007–2016 Twin Cam 96/103/110 — 635 GPE Cams
S&S Cycle T143 Black Edition Long Block — Select 2007–2016 Twin Cam 96/103/110 — 635 GPE Cams
S&S Cycle T143 Black Edition long block engine for select 2007–2016 Harley-Davidson Twin Cam 96, 103, and 110 applications. This ultra-performance/race engine requires technical expertise for installation and tuning and an experienced rider.
- 143 cubic inches; 10.47:1 compression ratio
- Designed to fit a compatible stock chassis without cutting or frame modifications
- CNC-machined S&S B3 cylinder heads with two-bolt exhaust flanges
- Three-piece flywheels
- S&S TC3 oil pump and cam plate
- S&S 635 Easy Start gear-drive cams
- S&S 1.725:1 rocker arms for 0.674-inch total lift
- S&S premium high-performance tappets
- Gloss-black rocker covers, gear cover, tappet blocks, and pushrod tubes
- Made in the USA
Fitment: Select applications only. T-series engines are not compatible with Harley-Davidson Softail models. Confirm exact motorcycle compatibility and installation requirements with JL Customs.
Performance notice: Longevity, engine noise, vibration, and throttle sensitivity involve compromises to achieve this performance level. This engine is not suitable for every application. Listed with a one-year warranty and states that engine noise and damage from abuse are not covered.
Shipping: Contact JL Customs to confirm freight charges and delivery requirements before ordering.
Restrictions: This engine is not legal for sale or use in California on pollution-controlled motor vehicles.
Warning: This product can expose you to chemicals, including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Part number: 310-0837A.