HOLLEY POWER VALVE BLOCK OFF PLUG
Power valve block off plug. This is for when you have little to no engine idle vacuum and power valve stays open at idle causing a rich mixture. When blocking off the power valve you will need to rais...READ MORE...
Mike's Cobra finished by Classic Concepts in Babylon NY. Topped off with a custom built hp Holley carb by Allstate Carburetor. When it comes to feeding healthy race motors trust ALLSTATE CARBURETOR. All the best do.
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