Camshaft box kit for M8 - 550G with W/C plate

All kit components are selected to ensure superior quality, fit and performance
Oil pump and precision-machined billet aluminium cam plate with blue anodised finish.
Removable drain plugs for maintenance
Independent recovery sections for the crankcase and camshaft housing
Debris filters in both intake ports
Greater oil flow capacity in both supply and return.
Adjustable pressure relief valve, adjustable with the unit installed on the engine
Magnet in the camshaft housing to prevent debris entering the oil pump
S&S Quickee Pushrods with finished pushrod tubes
Premium S&S tappets
Black anodised billet aluminium lifter cuffs, stronger than the originals to prevent deformation
Improved lifter stability in high-lift, high-RPM situations
Improves camshaft timing precision and removes the original chain tensioner
Includes outer gears, all gaskets, bearings and hardware necessary for a complete installation
Manufactured in the USA
The kit includes:



Specifications


Brand
S&S CYCLE


Supplier reference
310-1081A


Application
Water-cooled


Features
Chrome pushrod tubes


Intake cam centre
100.0° front, 104.0° rear


Exhaust cam centre
106.0° front, 100.5° rear


Intake closure
29.4° front, 31.1° rear


Exhaust Clamp
30.5° front, 38.4° rear


Intake duration
218.9° front, 214.2° rear


Exhaust duration
273.1° front, 277.8° rear


Intake valve lift
0,550"


Intake valve lift at TDC
0.127" front, 0.099" rear


Exhaust valve lift
0,550"


Exhaust valve lift at TDC
0,232" front, 0,264" rear


Model
550 Big Bore


Product name
Camshaft housing kit


Type
Equipment


Units
Kit


Open intake valve
9.4° front, 3.1° rear


Open Exhaust Valve
62.5° front, 59.4° rear


Version
550G