S&s Cycle 129" Power Package Engine Kit

Unleash the full potential of your oil-cooled Milwaukee-Eight engine with the S&S Cycle 129" Power Package. This comprehensive engine performance kit transforms your 107" M8 into a high-output 129" powerhouse, delivering significant gains in horsepower and torque. Experience the thrill of enhanced acceleration and a more responsive throttle.

Description

The S&S Cycle 129" Power Package is engineered for seamless integration with your stock crankcase, eliminating the need for any case machining. This kit features big bore cylinders, a matched 550 cam, high-performance conical single-wire S&S valve springs, and a high-flow cam plate and oil pump. The innovative oil pump incorporates independent scavenge sections for both the flywheel cavity and cam chest, ensuring superior oil scavenging and reduced oil carryover. A strategically placed magnet in the cam chest further protects your engine by capturing debris before it reaches the oil pump. This kit ensures your original engine serial numbers are retained and features removable passage plugs for easy servicing. With MLS (multi-layered steel) head gaskets, this kit provides a superior seal for enhanced reliability and performance. This S&S Cycle kit will make your motorcycle perform like never before. Built with pride in the USA.

Features & highlights

• Transforms your 107" oil-cooled M8 into a potent 129" engine, boosting power and torque.
• No case machining required for easy installation, saving time and money.
• Includes a matched 550 cam for optimized performance and smooth power delivery.
• Features independent scavenge sections for improved oil scavenging and reduced oil carryover.
• High-performance conical single-wire S&S valve springs ensure reliable valve train operation at high RPMs.
• Magnet in the cam chest helps prevent debris from entering the oil pump, extending engine life.
• MLS (multi-layered steel) head gaskets provide a superior seal for maximum performance and reliability.

Technical specifications

• Brand: S&S Cycle
• Product Name: Performance Kit
• Displacement: 129"
• Bore Size: 4.320"
• Stroke Length: 4.375"
• Cooling System: Oil Cooled
• Cam Drive Type: Chain
• Color/Finish: Black, Non-Highlighted Fins
• Type: Engine
• Includes: Black Pushrod Tubes

Important to know

This kit works with your stock crankcase. Ensure proper installation by a qualified technician for optimal performance and reliability.

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