Pro-Blend Racing Engine Concentrate - 16 oz. Can 913012 Exhaust ports and bolt pattern

Exhaust ports and bolt pattern are raised

Holley HP Series Fuel Pumps

1956-1959 Ford Club

Port exit dimensions:

Pro-Blend Racing Engine Concentrate - 16 oz. Can 913012 Exhaust ports and bolt patternOil additive Cools engine oil up to 52? at the crankshaft. 16oz. Known for their tire treatment formula, Pro Blend produces chemicals designed to hold up to the intense demands of the track. In addition to tire treatments for a wide range of tracks, Pro Blend also offers a variety of additives and lubricants designed to reduce friction and wear and improve performance. Product Description: Motor Oil Additive Pro Blend Race Engine Concentrate 16 oz