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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!


Height: 2"

Ventury: 2.25"

Finish: Black

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
Not Available
Pricing: $179.99


  • APD BWSPACER-4500-1
  • APD BWSPACER-4500-1
  • APD Advanced Product Design
  • Temporarily Not Available
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