Originally Posted by 440Jim
Those 572-13 exhaust ports look much bigger than 440-1.
What size are yours ?

Thanks Dwayne! I sure hope it does!

Jim, my header flanges are for the 572-13 heads, and gaskets will be fit to the ports if need be.

Last edited by gregsdart; 12/22/22 10:33 PM.
8..603 156 mph best, 2905 lbs 549, indy 572-13, alky