I take it your talking about the '83-'85 stock Holley 4BBL. The model is a 4180, I believe it's based off of a 4150 Holley if i'm not mistaken.
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'84 Mustang 5.0 T5, FMS aluminum radiator & 180* thermostat, 1 5/8 shortys/2.5" duals, '88 GT tail lights and wheels, Holley 4160 4 BBL, smog pump idler, more coming soon
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