Brodix Big Block Chevy BB-2plus, BB-2X & BB-2Xtra heads are designed with 26° intake valve angles, same as stock GM big block heads and accept all standard pistons, intake manifolds and rocker arms.
The exhaust ports are raised .600 higher than stock for enhanced flow and the valve covers are raised to assure no oil leakage. This for a pair of heads.
BB-2plus 312cc Intake ports 2.250 x 1.880 Manley valves
BB-2X 340cc Intake ports 2.300 x 1.880 Manley valves
BB-2Xtra 365cc Intake ports 2.300 x 1.880 Manley valves
Intake Ports CNC port matched & Bowl Blended
119cc chambers (115cc optional)
MANLEY Valves are only USA Made Stainless valves
Manley 4130 steel retainers
1.550 dual springs, 225lb @ 1.950 in, max lift .700
10 deg locks and ID locators
AVAILABLE with CNC Machined Chambers – ADD $200
Assemblies are also available for hydraulic, hyd roller, flat tappet and roller cams up to .900 lift.
With .650 Hyd Roller Springs - Deduct $40
With .850 roller springs & Titanium retainers - ADD $180
With .900 triple roller springs – ADD $250