Coleman Aluminum Brake Duct Intake - 3" Diameter M591 including ethanol and methanol

including ethanol and methanol

Ford Cleveland / Modified / Small Block

1969-1980 Chevrolet Impala

Using the patented Centerforce centrifugal weights (where applicable) and premium friction materials

Valve Seat

Coleman Aluminum Brake Duct Intake - 3" Diameter M591 including ethanol and methanolThese brake ducts are made from aluminum, and are easy to install. Simply use a 3" hole saw to drill a hole, install the duct into the hole, mark the rivet holes and drill, rivet the duct into place, and connect the brake duct hose. These aluminum ducts allow the brake hose to be securely attached to the duct with hose clamps. Unlike plastic brake ducts, these aluminum brake ducts will not crush when the clamp is tightened, which keeps the brake hose