S&s Cycle Big Bore Cylinder Kit for 4.250" Bore

Unleash significant power and performance with the S&s Cycle 124 Big Bore Cylinder Kit. Engineered for motorcycle enthusiasts seeking a substantial engine upgrade, this kit offers a robust 4.250" bore and a high 11.0:1 compression ratio, transforming your ride's capabilities.

Description

Experience a dramatic increase in displacement and horsepower with this premium S&s Cycle 124 Big Bore Cylinder Kit. Designed as a direct bolt-on solution, this performance engine upgrade simplifies installation while delivering impressive results. The kit features a meticulously engineered 4.250" bore and a 4.375" stroke, culminating in a powerful 124 cubic inch displacement. With an aggressive 11.0:1 compression ratio, you'll feel enhanced throttle response and torque across the RPM range.

Crafted with an updated profile that maintains a stock 4.840" bolt pattern, this 4.250 inch bore kit is specifically designed to work seamlessly with your existing stock crankcases, eliminating the need for costly and time-consuming modifications. This ensures a straightforward installation process, getting you back on the road faster with a significantly more potent engine. Proudly made in the USA, this S&s Cycle cylinder kit exemplifies superior craftsmanship and durability, finished with stylish highlighted fins and a wrinkle black coating for a distinctive look that matches its high-performance nature.

Features & Highlights

• Massive Displacement Increase: Features a 4.250" bore and 4.375" stroke, expanding your engine to a powerful 124 cubic inches for unparalleled performance gains.
• High Compression Ratio: Delivers an aggressive 11.0:1 compression ratio, providing sharper throttle response and increased horsepower and torque.
• Seamless Bolt-On Installation: Engineered with an updated profile and stock 4.840" bolt pattern for easy, direct installation without requiring crankcase modifications.
• Stock Crankcase Compatibility: Designed to work perfectly with your existing stock crankcases, making it a cost-effective and straightforward upgrade.
• Premium American Craftsmanship: Proudly made in the USA, ensuring exceptional quality, reliability, and long-lasting durability.
• Distinctive Aesthetics: Finished with highlighted fins and a wrinkle black coating, adding a custom, high-performance look to your engine.

Technical Specifications

• Model: Big Bore
• Style: Bolt-On
• Units: Kit
• Bore Size: 4.250"
• Color/Finish: Highlighted Fins, Wrinkle Black
• Displacement: 124"
• Product Name: Cylinder Kit
• Stroke Length: 4.375"
• Compression Ratio: 11.0:1
• Vendor Part Number: 910-0625A

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