Proflow Cylinder Heads, AirMax 200, BB Chrysler Aluminium, Bare

Proflow does not sacrifice quality for a low price--you get both with our aluminium cylinder heads. The lightweight heads are cast from A-356 aluminium alloy with a large choice of engine, for SB & BB Chevrolet, LS Chev Holden Ford SB 289-351W, 302, 351 Cleveland 2V & 3V & BB FE, and Chrysler SB & BB. They have phosphorous bronze valve guides, and ductile iron valve seats for use with unleaded gas. They're also end-milled and drilled for accessories. The fully assembled heads have stainless steel valves, high performance valve springs, 7 degree valve locks, rocker arm studs, and guideplates. Perfect for your Mild or High performance Hot Rod.

Combustion Chamber Volume (cc): 78cc
Intake Runner Volume (cc): 245cc
Exhaust Runner Volume (cc): 75cc
Cylinder Head Style: Bare
Cylinder Head Material: A356.2
Intake Valve Diameter (in.): 2.19"
Intake Port Location: Standard
Exhaust Port Location: Standard
Exhaust Valve Diameter (in.): 1.76"
Maximum Valve Lift (in.): 0.65"
Outside Diameter of Outer Spring (in.): 1.46"
Valve Cover Mounting Style: Perimeter Bolt
Accessory Bolt Holes Drilled: Yes
Intake Valve Angle: 15 degree
Exhaust Valve Angle: 15 degree
Valve Guide Material: Manganese Bronze
Valve Seat Machine Style: 5 Angle
Valve Seat Material: Podwer Metal
Oiling Style: Through Head
Notes:
Longer than stock pushrods may be required. Minimum bore size is 4.320 in.