#243 casting heads
And its true, a donkey dick cam isn't needed, unless you have a stripped down car for the track and you're looking for every little bit of top end power. Take care.
Will the ls1 intake hurt you? Yes, but it will work.....but when you get a good deal on an ls6 or better intake it only takes a few hours to swap them out.
The Best V8 Stories One Small Block at Time
455 for LS6 243s is a good deal. people dont realize what your geting. Look up a set of Ti valves, haha
$1600-2000, ya thats just in your valves


