S&S Power Pack 128 CI Oil Cooled – M8

Description

The S&S Power Pack 128 CI for oil cooled M8’s is a bolt on kit, requiring no machining to the case. It features highlighted fins and chrome pushrod tubes, with all parts precision machined from billet aluminum right here in the USA!!

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FEATURES: 

• Big Bore Kit:
• Bolt on kit. No case machining required
• 4.250″ bore
• Forged pistons
• 11.1: compression ratio
• Oil Pump/Cam Plate
• Precision machined from billet aluminum
• Passage plugs removable for servicing
• Independent scavenge sections for flywheel cavity and cam chest
• Debris screens in both scavenge pickups
• Magnet in cam chest to help to stop debris from entering oil pump
• Increased flow capacity on both feed and scavenge side
• Pressure Relief Valve is adjustable with unit installed in engine
• Pushrods:
• Quickee pushrods
• Tappets:
• S&S premium tappets
• Tappet Cuffs:
• Billet aluminum construction
• Stronger than stock material eliminates distortion
• Improve tappet stability in high lift and high rpm situations
• Cam:
• S&S 550 Cam- Designed for Big Bore applications
• Valve Springs:
• Work well with cams up to .605 lift
• High-performance conical single wire spring
• MADE IN U.S.A

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SPECS:

• Product Name: Performance Kit
• Type: Engine
• Style: 550G
• Model: Power Package
• Color/Finish: Black Granite / Highlighted Fins / Wrinkle Black
• Displacement: 128″
• Bore Size: 4.250″
• Compression Ratio: 11.1:1
• Cam Drive Type: Gear
• Cooling System: Oil Cooled
• Units: Kit
• Riding Style: Street

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FITMENTS:

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