These headers do not fit properly on 67 to 72 year model cars, they do fit on 73 and up due to the difference in the steering linkage on 67 to 72 cars the tierod end studs face up and hit the headers every time and TTI provides instructions on how to get them to fit which requires shimming the engine up 3/8" to 1/2" which raises the engine 1/2" to 5/8" higher measured at the crank so now with the engine in its new location which is out of factory spec by the way, we now have new issues crop up with distributor and hood clearence I have spoke to TTI about fixing the problem and there is room to do so and they said to shim the engine up and move the engine back to get proper clearence well all of this jockying around is just the "tail waggin the dog" I am pretty sure they used 73 or newer car for their template, they should adjust the headers so we dont have to reengineer our cars to fit their headers