S&S Cycle 124" Power Package Big Bore Engine Kit

Experience a significant boost in performance and displacement with the S&S Cycle 124" big bore kit. This complete Power Package is engineered to transform your motorcycle's engine, delivering a substantial increase in power and torque without requiring complex case machining.

Description

Elevate your ride with the S&S Cycle 124" Power Package, a high-performance engine kit designed to provide a true bolt-on upgrade. This comprehensive motorcycle engine upgrade features a massive 124" displacement and an aggressive 11.1:1 compression ratio, ensuring exhilarating power delivery. Crafted in the USA, this kit eliminates the need for case machining, simplifying installation. It includes updated fins for improved cooling and forged pistons for extreme durability under demanding conditions.

At its core, the S&S Cycle Power Package incorporates a precision-machined billet aluminum oil pump and cam plate, engineered for superior lubrication with a 44% increase in oil supply flow and a 58% increase in scavenge flow. Debris screens and a camchest magnet further protect your engine's vital components. The kit features Quickee pushrods for easy adjustability, hand-assembled tappets for reduced valvetrain noise and low leak-down rates, and hard-anodized billet aluminum tappet cuffs that ensure stability in high-lift and high-RPM situations. The included S&S 550 camshaft is specifically designed for big bore applications, complemented by high-performance conical single wire valve springs capable of handling up to 0.605" lift, ensuring optimal valve control and performance for your high-performance engine kit.

Features & Highlights

• Effortless Bolt-On Installation: Achieve a significant engine upgrade without the need for case machining, making installation straightforward and hassle-free.
• Massive 124" Displacement: Transform your motorcycle with a substantial increase in engine size, delivering unparalleled power and torque.
• Advanced Oil Management System: Features a precision-machined billet aluminum oil pump/cam plate with 44% increased supply and 58% increased scavenge flow, ensuring superior lubrication and engine longevity.
• Robust Internal Components: Equipped with durable forged pistons, Quickee pushrods, hand-assembled tappets, and billet aluminum tappet cuffs for exceptional valvetrain stability at high RPMs.
• Optimized Camshaft & Valve Springs: Includes the S&S 550 camshaft, purpose-built for big bore applications, paired with high-performance conical single wire valve springs supporting up to 0.605" lift.
• Enhanced Cooling & Durability: Updated fins provide improved thermal management, while premium "Made in the USA" components guarantee long-lasting performance and reliability.

Technical Specifications

• Brand: S&S Cycle
• Model: Power Package
• Product Type: Big Bore Engine Kit
• Displacement: 124" (2,032cc)
• Bore Size: 4.250"
• Stroke Length: 4.375"
• Compression Ratio: 11.1:1
• Cooling System: Water Cooled
• Cam Drive Type: Chain
• Valve Spring Lift Capacity: Up to 0.605"
• Color/Finish: Black with Highlighted Fins
• Vendor Part Number: 310-1054C

Important to Know

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