Yeah, there are lots of laws and taxes that suck in California. The money has to come from somewhere to pay for all the free rides that the people in power like to hand out. The not-op fees are ridiculous. I think part of it is they don't want the older cars on the road. Here is a tip, if...

Due to the age of the truck, I doubt there are any kits out there. I think you will have to go custom built to get airbags installed. Here is a start.http://www.sporttruck.com/featuredvehicles/ford/0703st_1977_ford_f150/index.html

You can't use a 302 intake on a 351 due to the taller deck height of the 351. One option is to stroke your 302 to a 347 and you won't have to worry about getting new items such as the intake or accessory brackets.

Your new friends are the wrecking yard and the classifieds. Good luck!