PowerPak Oil Cool 4.25Bore4.37

Beskrivning av PowerPak Oil Cool 4.25Bore4.37

124" Power Package

Bolt-on kit

With updated fins

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

Not for any Trike models.

Intake/rocker cover gaskets not included.

Type	Big Bore
Brand	S&S CYCLE
Model	Power Package
Units	Kit
Features	Includes Cam Chain Tensioner| Quickee Pushrods w/Gloss Black Covers
Bore size	4,250"
Color/finish	Black Granite| Highlighted Fins
Displacement	124"
Product name	Performance Kit
Riding style	Street
Stroke length	4,375"
Cam drive type	Chain
Cooling system	Oil Cooled
Research value	Finalized
Compression ratio	11,1:1
Bore size imperial	4.250"
Vendor part number	310-1057C
Stroke length imperial	4.375"
Compression ratio imperial	11.1:1