Black Widow 4500 Carburetor Spacers by APD 2" Spacer x 2.25" Venturi
These racing carburetor spacers increase the air speed in the intake plenum and build horsepower!
Dyno results have shown an average of 10 to 12 horsepower gains on most drag racing applications.
Standard Finish comes black as shown.
Spacer also available in 1.75" Height or 2.5" Ventury Size