Similar chassis, I have Patriot mid length headers on my 72' Monte Carlo. Plenty of ground clearance, and clearance in the engine bay. (I have factory AC, power, steering, etc.) The car had rusty and dented full length headers when I got it - so I pitched them. They work well, the car has a mild 355 with a mild cam.
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1972 SS 454 Chevelle LS5/M21/12 bolt 3.73 posi
1969 Malibu COPO L72/M20/12 bolt 3.31 posi
1968 Malibu LQ9/4L80E/12 bolt 3.73 posi
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