S&S Cycle 128" Power Package Big Bore Kit for 114"/117" CVO

Transform your Harley-Davidson with the S&S Cycle 128" Power Package big bore kit, engineered to deliver a monumental increase in displacement and raw power. This comprehensive engine upgrade is designed specifically for 114" and 117" CVO models, providing a bolt-in solution for riders seeking the ultimate performance enhancement.

Description

The S&S Cycle 128" Power Package big bore kit is the definitive choice for riders aiming to elevate their 114" or 117" CVO Harley-Davidson engine to an exhilarating 128" displacement. This meticulously engineered performance kit boasts a generous 4.250" bore size and a 4.500" stroke length, culminating in a formidable 11.1:1 compression ratio that translates directly into explosive throttle response and increased torque across the RPM range. Designed for straightforward installation, this bolt-in big bore kit eliminates the need for complex case machining, making it an accessible yet potent upgrade for serious enthusiasts. Each component is crafted for superior durability and performance, including high-strength forged pistons built to withstand the rigors of high-output demands. The kit also integrates a complete oil pump/cam plate assembly, robust Quickee pushrods with stylish chrome covers, precision-machined tappets and cuffs, an S&S 550 camshaft for optimized valve timing, and upgraded valve springs to manage the enhanced power. With its oil-cooled design, this Harley-Davidson performance upgrade ensures consistent engine temperatures, maximizing reliability and longevity for your high-performance motorcycle.

Features & Highlights

• Massive Displacement Upgrade: Transforms your 114" or 117" CVO Harley-Davidson engine into a potent 128" powerhouse, delivering significant gains in horsepower and torque for an exhilarating ride.
• Effortless Bolt-In Installation: Engineered for a direct fit, this kit eliminates the need for complex and costly case machining, simplifying the upgrade process and getting you back on the road faster.
• Enhanced Durability with Forged Pistons: Features robust forged pistons, meticulously designed to withstand extreme combustion pressures and provide superior longevity and reliability for high-performance applications.
• Comprehensive Performance Package: Includes an S&S 550 camshaft, upgraded valve springs, an advanced oil pump/cam plate, Quickee pushrods with stylish chrome covers, tappets, and tappet cuffs, ensuring a fully integrated and optimized engine build.
• Optimized Compression Ratio: Achieves an impressive 11.1:1 compression ratio, specifically tuned to maximize power output and throttle response for a truly dynamic riding experience.

Technical Specifications

• Model: Power Package
• Product Type: Performance Kit
• Units: Kit
• Bore Size: 4.250"
• Stroke Length: 4.500"
• Displacement: 128"
• Compression Ratio: 11.1:1
• Cooling System: Oil Cooled
• Cam Drive Type: Gear
• Color/Finish: Black, Highlighted Fins
• Vendor Part Number: 310-1104C

Important to Know

• Compatibility: This kit is specifically designed for 114" and 117" CVO models. It is not compatible with 121" CVO models or any Trike models.
• Additional Parts Required: Intake and rocker cover gaskets are not included and must be purchased separately for a complete installation.

Gratis fragt til GLS pakkebutik pakkebokse ved køb over 749 kr.

GLS hjemmelevering koster 69 kr.

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