S&S Cycle 128" Power Package Big Bore Kit

Elevate your ride's performance with the S&S Cycle 128" Power Package Big Bore Kit, engineered to transform your 114" or 117" CVO engine. This comprehensive motorcycle performance kit delivers a significant displacement increase, providing a noticeable boost in horsepower and torque for an exhilarating riding experience.

Description

The S&S Cycle 128" Power Package is a premium engine upgrade designed for motorcycle enthusiasts seeking maximum power without extensive modifications. This bolt-in kit allows for a seamless transition from a 114" or 117" CVO engine to a robust 128" displacement, all without requiring case machining. At its core are high-strength forged pistons, engineered for durability and optimal performance under extreme conditions. With an aggressive 11.1:1 compression ratio, this kit ensures crisp throttle response and a powerful punch across the RPM range. The Power Package comes complete with an S&S 550 camshaft, an oil pump/cam plate, Quickee pushrods with chrome covers, tappets, tappet cuffs, and high-performance valve springs, ensuring all critical components are upgraded for reliability and peak output. This meticulously engineered big bore kit is the ultimate solution for riders demanding more from their V-Twin.

Features & Highlights

• Significant Power Increase: Transforms 114" and 117" CVO engines into a potent 128" displacement for a dramatic boost in horsepower and torque.
• Effortless Bolt-In Installation: Designed for convenience, this kit requires no case machining, simplifying the upgrade process.
• Premium Forged Pistons: Includes durable forged pistons, built to withstand high pressures and deliver long-lasting, reliable performance.
• Optimized Compression Ratio: Features an 11.1:1 compression ratio for enhanced throttle response and increased engine efficiency.
• Complete Performance Upgrade: Comes with a comprehensive set of components including an S&S 550 camshaft, oil pump/cam plate, Quickee pushrods with chrome covers, tappets, tappet cuffs, and valve springs.
• Sleek Aesthetics: Black, non-highlighted fins offer a clean, integrated look to your engine.

Technical Specifications

• Model: Power Package
• Product Name: Performance Kit
• Units: Kit
• Bore Size: 4.250"
• Stroke Length: 4.500"
• Displacement: 128"
• Compression Ratio: 11.1:1
• Cam Drive Type: Chain
• Cooling System: Oil Cooled
• Color/Finish: Black, Non-Highlighted Fins
• Features: Quickee Pushrods w/Chrome Covers, Cam Chain Tensioner
• Vendor Part Number: 310-1105C

Important to Know

• Not for 121" CVO models.
• Not for any Trike models.
• Intake/rocker cover gaskets not included.

Free shipping to GLS parcel shop parcel box for purchases over DKK 1,000.

GLS home delivery costs DKK 59.

We do our best to ship your order as quickly as possible. All orders are generally packed within 24 hours on weekdays.

There is a 14-day return policy. Read more