89rs-red

I have disc/drum brakes and i was thinking about upgrading to some wilwood brakes for all four corners...ive looked up some front kits but for the rear im stuck..are there any bolt on kits for drums or would that require some special ordering..any help would be helpful.

Here are some links of the front kits i was thinking of
http://www.ebay.com/itm/WILWOOD-DISC...item43a009a8d4
And for the rear would these work
http://www.ebay.com/itm/140-7141DR-R...item43a9f767f4

Thanks for your time