These are beautiful TTI Mopar (Part # TTI636A-C4) Headers made specifically for 63-66 A bodies (Valiant, Barracuda, etc)
The Manufacturer recommends these for the 320-575 horsepower range. They are BRAND NEW - NEVER MOUNTED, factory coated and still in original factory box, all hardware, bolts and reducers to hook up to your mufflers!
Specs: 1 5/8 inch x 1 3/4 inch Step Headers and 3 inch collectors
We are changing Mopar projects and no longer need these, they will not fit the new vehicle we are building.