S&S Cycle 124" Power Package Big Bore Kit

Elevate your ride with the S&S Cycle 124" Power Package Big Bore Kit, a comprehensive bolt-on motorcycle performance kit designed to unleash an extraordinary boost in power and torque. Engineered for enthusiasts seeking a significant engine upgrade, this kit delivers a massive 124" displacement, transforming your motorcycle's capabilities without complex case machining.

Description

Experience a dramatic transformation in your motorcycle's performance with the S&S Cycle 124" Power Package Big Bore Kit. This meticulously engineered engine upgrade is designed to provide a substantial increase in power, featuring a robust 124" displacement and an impressive 11.1:1 compression ratio. The kit includes high-quality forged pistons, ensuring durability and reliability under extreme conditions. With a bore size of 4.250" and a stroke length of 4.375", this Power Package is engineered for optimal combustion and power delivery. The updated fins on the cylinders not only enhance the aesthetic with a striking black granite and highlighted finish but also aid in efficient oil cooling, maintaining optimal engine temperatures. Proudly made in the USA, this kit is a testament to S&S Cycle's commitment to superior craftsmanship and performance.

The comprehensive nature of this S&S Cycle 124" Big Bore Kit extends to its advanced internal components. It features a precision-machined billet aluminum oil pump and cam plate, engineered with independent scavenge sections for both the flywheel cavity and camchest, ensuring superior oil circulation. Debris screens in both scavenge pickups and a strategically placed magnet in the camchest prevent contaminants from entering the oil pump, extending engine life. This system boasts a remarkable 44% flow increase on the supply side and a 58% flow increase on the scavenge side, with an adjustable pressure relief valve for fine-tuning. Quickee pushrods, hand-assembled tappets with close tolerances for reduced valve train noise, and hard-anodized billet aluminum tappet cuffs that ensure stability in high-lift, high-RPM situations complete this high-performance package. The S&S 550 camshaft, specifically designed for big bore applications, works in harmony with high-performance conical single wire valve springs capable of handling up to 0.605" lift, delivering a truly exhilarating riding experience.

Features & Highlights

• Unleash Massive Power: Transform your engine with a 124" displacement and 11.1:1 compression ratio, featuring durable forged pistons for superior performance and longevity.
• Effortless Bolt-On Installation: Upgrade your engine with minimal hassle; this kit requires no case machining, making it a straightforward performance enhancement.
• Advanced Oil Management System: Benefit from a precision-machined billet aluminum oil pump/cam plate with independent scavenge sections, debris screens, and a magnet for optimal lubrication and engine protection. Enjoy 44% increased supply flow and 58% increased scavenge flow.
• Reduced Valve Train Noise: Experience quieter operation and extended component life thanks to hand-assembled tappets with low leak down rates and Quickee pushrods.
• High-Performance Camshaft & Valve Springs: Optimize power delivery with the S&S 550 camshaft, specifically designed for big bore applications, complemented by high-performance conical valve springs supporting up to 0.605" lift.
• Enhanced Durability & Aesthetics: Enjoy robust billet aluminum tappet cuffs with a hard anodized black coating for stability, alongside cylinders with updated, highlighted fins in a sleek black granite finish.
• Proudly Made in the USA: Invest in American-made quality, ensuring exceptional craftsmanship and reliability for your motorcycle.

Technical Specifications

• Type: Big Bore Performance Kit
• Model: Power Package
• Displacement: 124"
• Bore Size: 4.250"
• Stroke Length: 4.375"
• Compression Ratio: 11.1:1
• Cam Drive Type: Chain
• Cooling System: Oil Cooled
• Color/Finish: Highlighted Fins, Black Granite
• Vendor Part Number: 310-1057C

Important to Know

• Not compatible with any Trike models.
• Intake/rocker cover gaskets are not included and must be purchased separately.

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