Seller notes

Double hump 461 chevy head features 180cc intake runner, 62cc exhaust runner, 2.02" intake/1.60" exhaust valves, 1.560" max spring pocket diameter, Aluminum double hump head cast from premium quality aluminum that shaves 40 lbs. off the nose of your car vs. heavy iron heads, Comes completely assembled with no accessory bolt holes, just like the original Chevy 461 heads, 461 SBC double hump head features improved port/chamber shape for better performance with the 3-angle machined valve job that p...

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