Allstar Performance Carburetor Shear Plate 4500 2.125 in Bores Dominator Flange ALL25973

If your race engine is running a big cam with heavy overlap, you already know how tough it can be to keep the vacuum signal strong and consistent — that's exactly where the Allstar Performance Carburetor Shear Plate ALL25973 steps in. Engineered with a built-in dam beneath the throttle plates, this shear plate creates low pressure to sharpen the carb's signal and unlock the performance your setup deserves. Machined from premium 6061-T6 aluminum and finished with a clean anodized coating, it's built to last and looks great doing it.

• Thickness: 1/2 inch
• Bore Diameter: 2-1/8 inches
• Flange Type: Dominator (4500)
• Material: 6061-T6 aluminum
• Finish: Clear anodized
• Design: Built-in shear dam
• Benefit: Improves vacuum signal
• Best For: High-overlap race cams
• Corrosion Resistant: Yes
• Sold As: Each
• MPN: ALL25973

Whether you're chasing tenths on the drag strip or fine-tuning your circle track setup, this shear plate is a simple, affordable upgrade that can make a real difference in throttle response and overall engine efficiency. Grab yours and feel the difference from the very first run.