SeaDoo Four tec Knife edged and polished crankshaft

The ultimate Crankshaft Mod. lightened,knifed edged throws and dynamic balanced polished to a chrome finish for oil shedding advantage, the balancing will let you cut all of the counter balance weight's off to lighten the internal rotating mass

FOUR TEC CYLINDER HEAD REPAIR

DOES YOUR HEAD LOOK LIKE THIS, it is repairable,weld up replace valve seats,

surface gasket surface, spark plug insert valve job and assembly, inconell exhaust valves are recomended on the new build

FOUR TEC CYLINDER DECK BRIDGE AND O RING

FOUR TEC DEGREE WHEEEL KIT

This is one modification that is a must if you plan on making real horsepower, this mod will increase cylinder wall stability and ring seal and control blow by problems under high boost situations, the cylinders are machined OD and ID so the insert is a press fit when installed. O ringing the cylinder is also important for gasket seal under high boost

For engine blue printing and those of you that want the most out of your build phasing the valve motion to the piston motion is critical,especially on aftermarket camshafts the kit consists of a degree wheel and crank adapter dial indicator and magnetic base positive stop mounting plate and hardware for your specific machine. manual cam chain adjuster and other mods are available

LIGHTENED AND BALANCED FLYWHEEL AND CAM SPROCKETS

Removing reciprocating weight on internal engine components is free horsepower. All parts are balanced after machining

Removal of supercharger gear takes 2lbs off of the flywheel assembly and as much as 1lb can be removed from flywheel with supercharger gear, 60 grams of weight is removed off of the cam sprocket.  Custom work is available, contact us for more information.

OIL PUMP RESURFACING ON PTO COVER

<<When the bearings go on your 4 tec motor the oil pump usualy catches a bit of debree and los of oil pressure is the rezult

this will save you on the replacement cost of the PTO cover 

both the PTO cover and the oil pump cover are precision machined back to standard spec