I have for sale GT40 cast iron heads with new trick flow springs and valves. Heads were recently serviced by a machine shop, cleaned, new trick flow springs (good for a high lift) and valve work. heads are slighly ported on the exaust side not sure of the specs but they flow much better than stock GT40 heads. spent over $400 in parts and machine work. Heads are in perfect shape and excellent working condition. If interested e-mail me at monitty@yahoo.com. Am asking $375 pretty much firm. Also have 73mm c&l maf calibrated for 24lbs. Maf is in excellent working condition almost new. Asking $100 neg. I have pics of these parts
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