Specification
Brand
Air Flow Research
Item Number
AFR3640
Material
A356 Aluminum
Intake Port Volume
290cc
Intake Port Dimension
2.030" H x 1.830" W
Exhaust Port Volume
135cc
Exhaust Port Dimension
1.770" H x 2.010" W
Combustion Chamber Size
112cc
Valve Size
2.250 / 1.880 in
Valve Angle
24°/4° Int, 15°/4° Exh
Spring Diameter
1.550 in
Deck Thickness
.750 in
Minimum Bore Diameter
4.250 in
Spark Plug Dimensions
14mm x .750” with Gasket Seat
Description
Experience unparalleled engine performance with Air Flow Research's BBC 290cc CNC Aluminum Heads Magnum equipped with a 112cc chamber. Perfectly tailored for Big Block Chevy engines, these heads feature 290cc intake ports and are crafted from durable aluminum for lasting strength and efficiency. The valves measure 2.250/1.880 inches, supported by robust 1.550-inch springs, making these heads ideal for enthusiasts seeking significant power gains. With a focus on both street and strip applications, the angle plug design ensures optimal spark and combustion efficiency.
Disclaimer
Please verify compatibility with your specific engine model before purchase. Professional installation is recommended.