Description
If you’re running a high-overlap cam and struggling with a weak vacuum signal, the Allstar Performance Carburetor Shear Plate (ALL25970) is exactly what your race engine needs. By building a low-pressure dam beneath the throttle plates, this precision-machined plate sharpens throttle response and maximizes carburetor signal for more consistent, powerful performance. Built tough from 6061-T6 aluminum with a clean anodized finish, it’s a simple upgrade that makes a real difference on the track.
- Thickness: 1/2″ thick
- Bore Size: 1-3/4″ diameter
- Flange Type: Square bore
- Material: 6061-T6 aluminum
- Finish: Clear anodized
- Compatibility: Holley 4150/4160 4bbl
- Gaskets: Not included
- Hardware: Not included
- Sold: Individually
- MPN: ALL25970
Whether you’re dialing in a dedicated race build or fine-tuning a high-performance street engine, this shear plate is an affordable, race-proven solution from a brand enthusiasts trust. Grab yours and feel the difference from the very first lap.
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