S&S CYCLE T143 Long-Block Engine 310-0737A
Part Number: 09010239S&S CYCLE
- SKU:
- 09010239
- MPN:
- 310-0737A
- Condition:
- New
- Availability:
- Ships Same Business Day
- Weight:
- 155.00 LBS
Description
The S&S Cycle T143 Long-Block Engine delivers 143 cubic inches of displacement in a stock chassis—doubling the horsepower of factory big twins without frame modifications. Built for serious riders and racers who demand maximum performance, this ultra-high-output engine combines S&S's precision engineering with aggressive valve timing and premium internals designed for sustained power delivery. Installation and tuning require technical expertise, and this engine prioritizes peak performance over everyday comfort, making it the ultimate bolt-in upgrade for 1999–2006 HD big twin platforms.
- 143 cubic inches displacement
- Fits stock chassis
- No frame cutting required
- S&S B3 cylinder heads
- CNC-machined ports
- Two-bolt exhaust flanges
- S&S Super Stock crankcases
- Reed breather valve
- Three-piece flywheels
- High-flow oil pump
- S&S 635 gear drive cams
- 1.725:1 rocker arms
- .674" total valve lift
- Premium performance tappets
- Wrinkle black finish
- One-year warranty
- Requires oil line kit
- T143-specific exhaust needed
- Carb/intake sold separately
- Ignition system sold separately
- Incompatible with Softail models
- Incompatible with Dyna models
Specs
COLOR/FINISH: |
CHROME |
COLOR/FINISH: |
WRINKLE BLACK |
STROKE LENGTH IMPERIAL: |
4.625' |
UNITS: |
EACH |
BORE SIZE IMPERIAL: |
4.425' |
COMPRESSION RATIO IMPERIAL: |
10.5:1 |
DISPLACEMENT: |
143' |
MODEL: |
T-SERIES |
PRODUCT NAME: |
ENGINE |
RIDING STYLE: |
STREET |
TYPE: |
LONG BLOCK |
Commercial Accounts
We offer tax-free commercial accounts, providing businesses with significant savings and streamlined benefits.
Easy 30-Day Returns
We proudly offer 30-day easy returns, ensuring a hassle-free and convenient shopping experience for our customers.
You May Also Like
'%3E%3CanimateTransform attributeName='transform' type='rotate' from='0 50 50' to='360 50 50' repeatCount='indefinite' dur='1s'%3E%3C/animateTransform%3E%3C/path%3E%3C/svg%3E)
Related Products
Related Products
S&S CYCLE T143 Long-Block Engine 310-0883A
S&S CYCLE
S&S CYCLE T143 Long-Block Engine 310-0548A
S&S CYCLE
S&S CYCLE T143 Long-Block Engine 310-0901A
S&S CYCLE
S&S CYCLE T143 Long-Block Engine 310-0833A
S&S CYCLE
S&S CYCLE T143 Long Block Engine - Black 310-0837A
S&S CYCLE
