S&S Cycle 128" Power Package for VVT Models

Unleash formidable power and reliability with the S&S Cycle 128" Power Package, specifically engineered as a bolt-in upgrade for VVT models. This comprehensive kit transforms your engine, delivering a significant boost in displacement and performance without requiring complex case machining.

Description

The S&S Cycle 128" Power Package is a meticulously designed engine upgrade that brings top-tier performance to your motorcycle. Featuring robust forged pistons, this kit ensures enhanced durability and strength, capable of handling the increased demands of higher power output. At its heart is the S&S 550 camshaft, precisely chosen to complement the larger displacement and deliver an aggressive power curve. The included valve springs are optimized to work flawlessly with camshafts up to 0.605" lift, providing reliable valve train stability even in high RPM situations.

Beyond raw power, this high-performance engine kit addresses critical lubrication needs. The precision-machined billet aluminum oil pump and cam plate boast increased oil flow capacity for both feed and scavenge sides, ensuring optimal lubrication under all conditions. Innovative features like independent scavenge sections for the flywheel cavity and camchest, debris screens, and a camchest magnet actively protect your engine from harmful contaminants. For further convenience, the pressure relief valve is adjustable even with the unit installed in the engine. Paired with S&S premium tappets and hard anodized, billet aluminum, black-coated tappet cuffs, this package guarantees superior stability and longevity. Proudly Made in the USA, this S&S Cycle 128" Power Package is the ultimate bolt-in solution for a truly transformed riding experience.

Features & Highlights

• Massive Displacement Increase: Elevate your engine's performance with a 128" displacement, providing a substantial boost in torque and horsepower for an exhilarating ride.
• Forged Piston Durability: Equipped with updated profile forged pistons, ensuring superior strength and longevity to withstand the rigors of high-performance riding.
• Advanced Oil System: Features a precision-machined billet aluminum oil pump and cam plate with increased flow capacity, independent scavenge sections, and debris protection (screens/magnet) for unmatched lubrication and engine health.
• Optimized Camshaft and Valve Train: Includes an S&S 550 camshaft and valve springs capable of handling up to 0.605" lift, delivering aggressive power and reliable high-RPM stability.
• Premium Tappet Assembly: S&S premium tappets paired with hard anodized, billet aluminum, black-coated tappet cuffs ensure exceptional valve train stability and durability.
• Convenient Bolt-In Installation: Designed for a straightforward installation, this kit requires no case machining, making it an accessible and efficient upgrade.
• Adjustable Pressure Relief: The oil pump's pressure relief valve is adjustable even when installed in the engine, allowing for fine-tuning of oil pressure.

Technical Specifications

• Displacement: 128"
• Piston Type: Forged
• Camshaft: S&S 550
• Max Valve Lift (with included springs): 0.605"
• Tappets: S&S Premium
• Tappet Cuffs: Hard Anodized, Billet Aluminum, Black Coated
• Oil Pump/Cam Plate Material: Billet Aluminum
• Installation: Bolt-in, No case machining required
• Manufacturing: Made in the USA
• EAN: 09040201

Important to Know

• Will fit VVT models.
• Not for any Trike models.
• Intake/rocker cover gaskets not included.