I was sent from preludepower.com and told that you guys really know your A20's. I would like to know where I can get springs,retainers,valves,mild cam or turbo cam,rods, pistons. these a20's are old but I love em. I've been searching and havent found any thing. I have also heard that ls rods will fit the A20?!?! Also does anyone still makes a turbo header?!?! any help will be very appericiated thanks guys.