S&s Cycle 129" Power Package Engine Kit

Unleash the full potential of your 107" oil-cooled Milwaukee-Eight engine with the S&S Cycle 129" Power Package Engine Performance Kit. This comprehensive kit delivers a significant boost in displacement and performance without requiring any case machining, making it an ideal upgrade for enthusiasts and professionals alike.

Description

The S&S Cycle 129" Power Package transforms your stock 107" M8 engine into a powerhouse. This kit features big bore cylinders, a matched 550 cam, cam plate, and high-performance oil pump with independent scavenge sections for the flywheel cavity and cam chest. The inclusion of a magnet in the cam chest provides added protection by preventing debris from entering the oil pump. High-performance conical single-wire S&S valve springs ensure optimal valve train performance. Original engine serial numbers are retained, and passage plugs are removable for easy servicing. Multi-layered steel (MLS) head gaskets provide a reliable seal under high-performance conditions. This kit is designed to work seamlessly with the stock crankcase, ensuring a straightforward installation. Proudly made in the USA, the S&S Cycle 129" Power Package delivers unparalleled performance and reliability.

Features & highlights

• Transforms 107" oil-cooled M8 into a high-performance 129" engine.
• No case machining required for easy installation.
• Includes performance-matched 550 cam for optimal power delivery.
• Features independent scavenge sections for improved oiling and reduced crankcase pressure.
• Magnet in cam chest helps prevent debris from entering the oil pump.
• Retains original engine serial numbers.
• Made in the USA.

Technical specifications

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

Important to know

This kit is designed to work with the stock crankcase. Ensure proper installation by a qualified technician.

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

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Our company info is:
Parts Denmark ApS
VAT: DK45974758
Dam Holme 11
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hello@partsdenmark.com
+45 222 333 29

Best regards,
William Svendsen & Martin Høyer (Owners)