Derale Clutch Fan Reverse Rotation 18" # DER-17918 Cylinder Head The covers clear most aluminum

The covers clear most aluminum rocker arms and moderate lift cams

Inlet Diameter (in

The aerodynamically designed chambers flow 23 percent better and produce more horsepower and torque than the most popular high performance brand

Holley 4150 Aluminum Street HP Carburetors

Derale Clutch Fan Reverse Rotation 18" # DER-17918 Cylinder Head The covers clear most aluminumDerale Clutch Fan Reverse Rotation 18" # DER 17918 Fan, Clutch Type, Counterclockwise, 18 in. Diameter, Steel Blades Steel Hub, Universal, Each Derale clutch fans feature high flow steel blades and a dual pattern mounting hub. Each blade has five rivets for increased strength. For cooling accessories under the hood, trust the expertise of Derale Performance.