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S&S CYCLE 132" Power Package HPT496 for M8 Engines - Chain Drive, Water Cooled, Black with Highlights (Part #310-1401)
Regular price $3,294.95 USD
Category:
132" Power Package - HPT496 - Chain Drive - Water Cooled - Black with Highlights - 114"/117" M8
Upgrade your M8 engine with the S&S CYCLE 132" Power Package HPT496, designed to deliver significant performance enhancements without requiring case modifications. This big bore bolt-on kit increases your engine's displacement from 114 or 117 inches with a 4.50-inch stroke to a robust 132 inches, providing increased horsepower and torque for demanding riding conditions. The kit includes a high-performance 4.320-inch bore cylinder and 11.0:1 forged pistons that ensure durability and reliable power delivery. The comprehensive package features an S&S oil pump and cam plate, with removable passage plugs for easy servicing, and independent scavenge sections for the flywheel cavity and cam chest, ensuring optimal oil flow and engine longevity.
The design incorporates debris screens in both scavenge pickups and a magnet in the cam chest to prevent debris from entering critical oil pathways, further safeguarding engine components. Upgraded oil flow capacity on both feed and scavenge sides enhances lubrication, especially under high-stress conditions. Adjustable pressure relief valves allow fine-tuning of oil pressure while the unit is installed, ensuring customized performance.
The kit also includes quickee pushrods with pushrod tubes, S&S premium tappets, and billet aluminum, hard anodized, black-coated tappet cuffs for durability. S&S valve springs are compatible with cams up to 0.605 inches lift and feature a high-performance conical single wire spring design, supporting high-performance camshafts such as the HPT496. This cam is specifically engineered for big bore applications, optimizing airflow and power output. Multi-layered steel (MLS) head gaskets provide reliable sealing, while the included 132 cam cover badge adds a distinctive finishing touch.
Built in the USA, this package maintains stock engine height and works seamlessly with stock crankcases, stock valve springs (both first and second generation), and S&S roller rocker arms. The design retains original engine serial numbers and is compatible with water-cooled setups, ensuring a straightforward installation process for experienced builders looking to maximize their engine’s potential. The combination of advanced materials, robust components, and performance-oriented design makes the S&S CYCLE 132" Power Package an ideal upgrade for serious riders seeking reliable, high-power performance from their M8 engine.
Features:
- Increases engine displacement from 114/117 inches to 132 inches with no case machining required
- Big bore 4.320-inch cylinder with forged pistons and 11.0:1 compression ratio
- Includes S&S oil pump and cam plate for enhanced lubrication and performance
- Removable passage plugs for easy servicing
- Independent scavenge sections and debris screens in pickups for debris management
- Magnet in cam chest to prevent debris entry into the oil pump
- Enhanced oil flow capacity on feed and scavenge sides
- Adjustable pressure relief valve for precise oil pressure control
- Quickee pushrods with pushrod tubes for reliable valve operation
- S&S premium tappets and hard anodized, black-coated billet aluminum tappet cuffs
- Valve springs compatible with cams up to 0.605 inches lift, featuring high-performance conical design
- HPT496 cam designed specifically for big bore applications
- MLS head gasket for reliable sealing under high pressure
- Includes 132 cam cover badge for aesthetic appeal
- Compatible with stock crankcases, valve springs, and roller rocker arms
- Water-cooled design options available, with a stock engine height and retention of original serial numbers





