hi ,i am a new member, my car is a 65 nova pro street . i recently swapped out the big block for a small block the last thing i need is a set of full length headers . the car has a mild 350 and a 700 r4, but will eventually run elevens. it has a checker racing front clip and i need the best fitting headers for the price and ease of maint. i want to stay in the 500 to 600 range ,uncoated . my nova after 6 long years is only lacking headers and exhuast ,and i am looking forward for it to see daylight i have done a search and i know s&s and others will fit but which one is better