Pontiac 11 Degree Valve Angle Butler Edelbrock Victor Pro Port Cylinder Heads, CNC Ported by BES, 430-440 cfm, Complete, Set/2

Edelbrock Aluminum Pro Port Cylinder Heads

1100+ HP CAPABLE

Victor Pro-Port Raw: These new heads are the ultimate choice for extreme Pontiac race applications. They feature raised intake port openings and extended intake flanges for improved flow, while retaining the stock location, making them compatible with Victor series manifolds and Ram Air IV style headers. The intake valves have also been moved away from the cylinder wall allowing for improved burn characteristics when used with larger than stock diameter valves. These heads also features a center water outlet for improved cooling and interlinked rocker stud pad with extra thread engagement for improved valve train stability. Finally, they feature raised valve cover rails and spring pads to compliment the improved port design, but still retain the stock bolt pattern. Victor Pro-Port Raw head #77839/77849 have an 11 degree valve angle and features a 1.25" raised intake ports and flange. Stock exhaust port location.

Intake Valve Dia. 2.350
Exhaust Valve Dia. 1.670
Combustion Chamber CC 50-52cc

Titanium valves
Titanium retainers
PSI or PAC springs

FOR USE ON AFTERMARKET BLOCKS ONLY, recommended 4.310 or larger bores (4.280 minimum)

Requires offset solid roller lifters and shaft rockers

Compatible intakes:
BOP
Polarwind
Custom Sheetmetal