John offers a setup like this through Beta Motorsports
http://betamotorsports.com/products/products.php?cat=10
A complete street and racing strut kit for the Datsun 240, 260, and 280Z. The kit comes fully assembled (with the struts shortened as appropriate for the shocks selected) and ready to install with the following components:
4 shocks of your choice: Tokico HP (non-adjsutables), Tokico Illuminas, or Tokico HTS for a street/track car, Tokico HTS, Koni 8610 singles, or Koni 8611 doubles for a race car.
4 EMI Racing Camber plates.
4 Hyperco 2.5" diameter 10" tall coil springs (your choice of rates).
4 EMI Racing threaded collars and lower spring perches.
2 front struts and spindles.
2 rear struts and hubs.
2 stub axles and companion flanges.
2 new inner wheel bearings.
2 new outer wheel bearings.
2 new grease seals.
2 new stub axle nuts.
2 backing plates (optional).
2 new spindle pins, lock nuts, and wedges
Tokico Illumina shocks (BZ3099 front and BZ3015) rear.
$3382.00
Now his assembly already has everything ready to go including new seals and bearings and a camber plate etc etc.. this is literally "bolt on".
Just food for thought