This kit is rated at 800HP by the manufacture.
Individual pieces are available
Datsun 240z 260z 280z complete CV axle conversion kit.
39 spline stub axles
39 spline companion flange adapter to 930CVs
930 style CVs with chromoly cages and 300M center sections.
boots and bolts
Stub axles that plug right into a R200 and mates the 930 CV