Carb Insert 1in Tall 1.450in Diameter

The Wehrs Machine Carb Insert 1in Tall 1.450in Diameter (WM301-1.450) is a precision aluminum restrictor plate spacer engineered for carburetor tuning and engine management applications. This 1-inch thick insert features a 1.450-inch diameter bore and is machined from natural aluminum to exact tolerances, making it an essential component for builders and engine technicians optimizing induction flow on street and competition engines.

Weighing 0.55 lbs and measuring 4.95 x 1.15 x 5.3 inches, this spacer integrates seamlessly into Wehrs Machine's modular carburetor spacer system. The 1.450-inch bore diameter is a common sizing for small-block and mid-size engine applications, allowing precise control over fuel mixture transition and velocity characteristics. Aluminum construction provides excellent thermal stability and corrosion resistance compared to cast alternatives, while the natural finish allows for custom finishing or anodizing to match existing engine dress-up specifications.

This insert is designed for engine builders, carburetor tuners, and enthusiasts seeking modular intake solutions. The Wehrs Machine spacer system allows swapping insert sizes without replacing the entire carburetor mounting platform, reducing parts inventory and simplifying experimentation during dyno testing or street tuning. The 1-inch height provides substantial volume for charge cooling while maintaining compact packaging on tight engine bays. Verify bore diameter compatibility with your existing carburetor flange and intake manifold before ordering.