S&s Cycle T143 Long Block Engine
S&s Cycle T143 Long Block Engine
About this product
About this product
Unleash the ultimate power upgrade for your motorcycle with the S&S Cycle T143 Long Block Engine. This high-performance engine is meticulously engineered and manufactured in the USA, delivering unparalleled power and reliability. Get ready to experience a significant boost in horsepower and torque.
Description
The S&S T143 Long Block Engine is designed to fit in a stock chassis without any cutting or frame modifications, making installation straightforward. This powerhouse features S&S Super Stock™ T2 crankcases equipped with a reed breather valve and durable three-piece flywheels. High-flow oil pump and cam cover ensure optimal lubrication and cooling, enhancing the engine's longevity and performance. CNC-machined S&S B3 cylinder heads with two-bolt exhaust flanges and S&S 635 easy-start gear drive cams, paired with 1.725:1 rocker arms achieving a .674" total lift, contribute to exceptional valve train stability and high RPM performance. With a displacement of 143 cubic inches and a 10.47:1 compression ratio, this long block engine delivers unmatched power and responsiveness, transforming your riding experience.
Features & highlights
- Experience extreme power with a 143 cubic inch displacement.
- Enjoy enhanced valve train stability with S&S 635 easy-start gear drive cams and 1.725:1 rocker arms.
- Benefit from superior oiling with the S&S high-flow oil pump and cam cover.
- Simplified installation with a design that fits in stock chassis without modifications.
- USA Made quality ensures reliability and performance.
- CNC-machined S&S B3 cylinder heads with two-bolt exhaust flanges for optimum flow.
Technical specifications
- Brand: S&S Cycle
- Type: Long Block Engine
- Displacement: 143"
- Bore Size: 4.425"
- Stroke Length: 4.625"
- Compression Ratio: 10.47:1
- Cylinder Heads: S&S B3, CNC-machined
- Crankcases: S&S Super Stock™ T2 with reed breather valve
- Cams: S&S 635 Easy-Start Gear Drive
- Rocker Arm Ratio: 1.725:1 (.674" lift)
- Exhaust Flanges: Two-bolt
Important to know
This S&S T143 long block engine requires a T143-specific or custom exhaust system. Carburetor/intake and ignition system are not included and must be purchased separately. Revised oil routing on '99-'06 Touring models eliminates the need for a separate oil line installation kit.
Shipping & Return
Shipping & Return
Free shipping to GLS parcel shop parcel box for purchases over DKK 1,000.
GLS home delivery costs DKK 59.
We do our best to ship your order as quickly as possible. All orders are generally packed within 24 hours on weekdays.
There is a 14-day return policy. Read more
Specifications
S&S CYCLE
310-0837A
Engine
4,425"
10.47:1
143"
4,625"
Long Block
Each
Reviews
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Martin and William are the duo behind Parts Denmark — an unlikely but awesome combo of a tech-savvy young IT wizard and a seasoned motorcycle guru who’s seen (and fixed) it all. Together, we’ve built a team with big ambitions, plenty of passion, and a shared mission to create great things — side-by-side with you.
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