Aluminum one inch carburetor spacer with vacuum port for Carter AFB-Holley 390 four bbl. bolt pattern bases.
Aluminum one inch carburetor spacer with vacuum port for Carter AFB-Holley 390 bolt pattern bases. Use the vacuum port for Power Brakes, automatic transmission modulator, windshiel wipers, or even a vacuum gauge. Part # 2103 : $20.00.
