NXTGEN Open Style Billet Carb Adapter – 1 inch

A carburetor spacer that adapts a 4500 carburetor to a 4150 intake manifold bolt spacing. The Carburetor spacers improve air/fuel distribution by extending the length of the intake mixture column.

  • CNC machined ballnose surface finish
  • Lightweight 3D design combined with billet strength
  • Open plenum design


Out of stock

Two internal design styles of spacers are available. The open plenum design increases plenum volume for improved higher rpm results. The external surface is 3D machined to match the internal shape to ensure the best lightweight design while still retaining strength. The Carburettor is a lightweight CNC machined billet aluminium carburetor spacer / adapter that has been proven by engine dyno testing.

Plenum Design
Open Plenum Design
Design Style
Two Design Styles Available
CNC Machined Ballnose Surface Finish
Available Heights
Two Heights Available - 1 and 2 inches