As per Scott Esterle:
Headman 1 3/4" primary 3" collector-for E-heads
Part # 35131
Special Order from Summit!
Will fit 67-69 FB and 74 Vent/GTO
one piece headers, only major modification is you need the angled oil filter housing on pass. side. These will work with power steering and stock starter.
Price= just over $400!
Go to summitracing.com and or call Scott at X6225!