BUY NOW, PAY LATER. Starting at 0% APR 
For Model 2300, Model 4150, Model 4160, Model 4500 Holley Carburetors
$19.18
$17.05
BCZG_1510
Air and Fuel Delivery
Best Sellers
Carburetor Power Valve Block-Off Plug
Hardware, Fasteners and Fittings
Why use a power valve block off? If you have a dedicated race engine that never sees part throttle, but goes right from idle...
