The Edelbrock 61857 Ford FE NHRA Pro-Port Cylinder head is designed specifically for the professional cylinder head porter and engine builder. Like the other Edelbrock Cylinder head, The Pro-Port cylinder head is also cast in the USA at the state-of-the-a

Product Features:

• Bare Single For NHRA Super Stock
• 45cc Combustion Chamber Volume
• 170cc Intake/125cc Exhaust Runner Volume
• 2.09 in. Intake/1.66 in. Exhaust Valve Diameter
• 0.625 in. Deck Thickness