Custom/Hybrid Eme q8 help

I've just bought a q8 hull, could anyone tell me where I can get the correct size driveshaft I no eme sell them but they want $275 for one. Can they be made anywhere cheaper than that? Any help would be good thanks.
 
650sx fits the setback mag pumps, so does 750ssxi

To me this is false. True it will work with the setback but! The front seal on the bearing plate will be not contacting the driveshaft. Prematurely leading to bearing failure. I had ben at hbc make me a nice stainless one. Also with the 650 you need a add on extension and the 750 will put the motor way to far forward
 

Dmac80sc

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I am running one of the shafts from jetmaniac on my superjet. It came with brandnew splines and havent had any issues with it.
 
To me this is false. True it will work with the setback but! The front seal on the bearing plate will be not contacting the driveshaft. Prematurely leading to bearing failure. I had ben at hbc make me a nice stainless one. Also with the 650 you need a add on extension and the 750 will put the motor way to far forward

Works on mine and a friends q8 and it's what Eric told me to run, but hey what do I know about it? In fact Eric sent the 650 driveshaft. Rides in bearing like its supposed to. We run Polaris setups. The 750ssxi shaft is outta sit-down not sxi, same dimensions as 650sx
 
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