S&S 310-1051C 124" Power Package Power Pack 4.375" Stroke Water Cooled Black w/Highlights M8

S&S 310-1051C 124" Power Package Power Pack 4.375" Stroke Water Cooled Black w/Highlights M8

Features
Bolt-on kit
No case machining required
Forged pistons
Made in the USA
Includes oil pump/cam plate, pushrods, tappets, tappet cuffs, 550 camshaft, valve springs
Oil Pump/Cam Plate:
Precision machined from billet aluminum
Passage plugs removable for servicing
Independent scavenge sections for flywheel cavity and camchest
Debris screens in both scavenge pickups
Magnet in camchest to help to stop debris from entering oil pump
44% flow increase on supply side and 58% flow increase on scavenge side
Pressure relief valve is adjustable with unit installed in engine
Pushrods:
Quickee pushrods
Tappets:
Hand assembled to exacting tolerances
Reduced valve train noise from start up to shut down
Close tolerances for low leak down rates
Tappet Cuffs:
Hard anodized black coating
Billet aluminum construction
Tappet stability in high lift and high rpm sitiuations
Camshaft:
S&S 550 camshaft - designed for big bore applications
Valve Springs:
Works well with camshafts up to 0.605" lift
High performance conical single wire spring
Includes top collars, keepers, valve seals and bottom collars

Specs
Features Includes Outer Drive Gears
Features Quickee Pushrods w/Chrome Covers
Displacement 124"
Product Name Performance Kit
Model Power Package
Riding Style Street
Type Big Bore
Color/Finish Black
Cooling System Water Cooled
Color/Finish Highlighted Fins
Stroke Length 4.375"
Compression Ratio 11.1:1
Units Kit
Bore Size 4.250"
Cam Drive Type Gear

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Fitment Disclosure
This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.