4 banger springs are a cheap alternative to drag springs, because they have a lower coil rate and allow the front end to rise up easier than V8 springs, also they allow the nose to drop a bit lower without having to be cut because the lower coil rate doesnt hold up the V8 like it does the 4 cyl. As for the back springs, i'd recommend against 4 cylinder springs because your car will be really floaty with the fronts as it is, and will only get worse with them all the way around. If you can't get springs free from a junkyard or something, cough up the cash and just buy some Eibach springs. If you're looking for a good weight transfer spring set for drag racing, get their drag racing springs, otherwise go with the Pro Kit. Both kits will lower your car plenty and the ride quality will be just as good as stock if not better. If ride quality is that important to you, look into buying new shocks/struts while you're at it. You can get them to match your springs, i.e. drag style or street style, the drag shocks allow the nose to rise and the rear end to plant down. Keep in mind that when you set up your shocks/springs for the best drag setup, it's not going to be the best driving/cruising setup, so your ride quality won't be the best it could be, but will be worlds better than cut springs or 4 banger springs.
