S&S Cycle Long Block Engine - 143ci - Chrome/Wrinkle Black - 310-0883A

Unleash the ultimate power upgrade for your motorcycle with the S&S Cycle T143 Long Block Engine. This high-performance engine delivers unmatched horsepower and torque, transforming your riding experience. Built with precision and crafted for reliability, the T143 is designed for enthusiasts who demand the best.

Description

The S&S Cycle T143 Long Block Engine features S&S B3 cylinder heads CNC-machined with two-bolt exhaust flanges, ensuring optimal exhaust flow and performance. Equipped with S&S 635 easy-start gear drive cams and 1.725:1 rocker arms, achieving a .674" total lift, this engine provides smooth and powerful acceleration. The S&S Super Stock™ T2 crankcases with reed breather valve and three-piece flywheels contribute to exceptional durability and performance. The high-flow oil pump and cam cover, along with S&S premium high-performance tappets, ensure optimal lubrication and longevity. Designed for a straightforward installation, the T143 fits in stock chassis without requiring cutting or frame modifications. Experience the thrill of raw power and superior engineering with the S&S T143 Long Block Engine. The 143 cubic inch displacement combined with a 10.5:1 compression ratio delivers exhilarating performance on every ride. This S&S Cycle long block engine is proudly made in the USA.

Features & highlights

• S&S B3 CNC-machined cylinder heads enhance exhaust flow and overall performance.
• S&S 635 easy-start gear drive cams provide smooth, powerful acceleration.
• S&S Super Stock™ T2 crankcases ensure exceptional durability and reliability.
• High-flow oil pump and premium tappets guarantee optimal engine lubrication.
• Designed to fit stock chassis with no cutting or frame modifications needed.
• 143" displacement delivers unmatched horsepower and torque.
• Proudly made in the USA.

Technical specifications

• Brand: S&S Cycle
• Type: Long Block Engine
• Displacement: 143"
• Bore Size: 4.425"
• Stroke Length: 4.625"
• Compression Ratio: 10.5:1
• Cylinder Heads: S&S B3 CNC-machined
• Crankcases: S&S Super Stock™ T2
• Cams: S&S 635 Easy-Start Gear Drive
• Rocker Arms: 1.725:1 (.674" total lift)

Important to know

• T143-specific or custom exhaust is required.
• Carburetor/intake and ignition system are not included and must be purchased separately.
• Revised oil routing on '99-'06 Touring models means an oil line installation kit is no longer required.