S&S Cycle T143 Black Edition Long Block — Select 1999–2006 Twin Cam 88/95/103 — 635 GE Cams
S&S Cycle T143 Black Edition long block engine with 635 GE cams for select 1999–2006 Harley-Davidson Twin Cam 88, 95, and 103 applications. This ultra-performance/race engine requires technical expertise for installation and tuning and an experienced rider.
- 143 cubic inches; 10.47:1 compression
- 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 cam plate and oil pump
- 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; one-year warranty
Fitment: Select applications only. T-series engines are not compatible with Harley-Davidson Softail models. Confirm exact motorcycle compatibility and required installation components 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. engine noise and damage from abuse are not covered under warranty.
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: 310-0833A.