S&S Cycle T143 Long Block Engine - 143ci - Black - 310-0837A

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.