Above Added: Fri July 29, 2016, 7:44 pm EST
Paypal buyers please add 3%.
Above Added: Sun July 24, 2016, 9:24 pm EST
Up for sale is a pair of Edelbrock pro-port heads for a big block Chevy. They started as the part # 61429 castings and were ported and finished by Knowlton's Thunderheads using their 3.9 CNC program. They were designed for a 600"+ pump gas 900+ hp motor, but would work great on any large displacement conventional BBC. They had 2.35-1.86 valves with a 45 degree seat, but are being sold bare. They also feature 390 cc intake runners and a 119 cc combustion chamber. They were bench tested and flowed 440 cfm @ .800 lift. They have are in excellent condition and will be shipped in the original boxes.