heres stealth heads on 1970 440 sixpack HP2 engine i just finished full build for a guy with 1970 road runner. once painted look stock.putting same heads on my real six pack superbee with stroker kit and solid roller cam on a restored or rare car, stealth heads are awesome. i dont get all the stealth haters. we have been waiting a long time for this option,im not gunna put eddy heads on real sixpack cars