Well, unless you are looking at building up a AWD primera i think you meant axles instead of driveshaft
Anyways to asnwer your question, the axles on the G20 and se-r are different. You could always use an SE-R transmission and run the beefier SE-R axles, but I'm not sure how much work that would require. My guess is you would need to swap over the hubs too, and i'm not sure if that is possible, or how much work or fabrication that would entail (sp?). Hope this helps.
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Justin McClanahan
95 G20
15.4 @ 91.4mph (2.4 60ft
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143.7whp and 131.4 ft.lbs
Primera (10:1) Intake Cam, HS CAI, HS Header, UR Pullies, 19* Timing, ACT, Lightened Stock Flywheel, GC/AGX, Pacesetter Short Shifter, and more stuff...