128" power pack

Direct installation
Updated profile
Forged pistons
Manufactured in the USA
Includes oil pump/camshaft plate, pushrods, tappets, tappet bushings, 550 camshaft, valve springs
Oil pump/Camshaft plate:
Precision machined from billet aluminium
Removable service plugs
Independent intake sections for the steering column compartment and camshaft housing
Debris filters in both intake ports
Magnet in the camshaft housing to prevent debris entering the oil pump
Greater oil flow capacity on both the feed and return sides
Pressure relief valve is adjustable with the unit installed on the engine.
Pushrods:
Quickee Pushrods
Tappets:
Premium S&S tappets with tappet bosses in hard anodised billet aluminium and black coated
Rear-set stability in high lift and high rpm situations.
Camshaft:
S&S 550 camshaft
Valve springs:
Compatible with camshafts up to 0.605" lift
Includes upper plates, retainers, valve seals and lower plates.
No crankcase machining required.
Compatible with VVT models.
Not suitable for Trike models.
Does not include rocker cover/intake gaskets



Specifications


Brand
S&S CYCLE


Supplier reference
310-1107D


Features
Quickee rods with chrome covers, Timing chain tensioner


Engine capacity
128"


Colour/finish
Prominent fluting, Black Granite


Cylinder Dimensions
4,250"


Style
550C


Stroke length
4,500"


Model
Performance Kit


Product name
Power Package


Compression ratio
11,1:1


Cooling system
Water-cooled


Distribution type
Chain


Units
Kit