APD Black Widow 4500 Spacer 1.75″ Tall APD-5022
These racing carburetor spacers increase the air speed in the intake plenum and build horsepower! Dyno results have shown an average or 10-12 horsepower gains on most drag racing applications.
- Specifications: Height: 1.75”, up to 2.25″ butterfly
- Finish: Black
- Spacer also available in 2.00” Height or 2.5”
butterfly Size
- 1 Piece billet aluminum -Hard anodized
- Custom CNC machined -Dyno tested
