Carburetor Power Valve Block Off Plug; Completely Blocks All Power-Valve Circuitry;
Racers sometimes prefer to race their cars without using a power valve. In these cases, the only way to properly block off the power valve circuit is with one of these Demon Carburetion power valve plugs. They'll fit any metering block using a Holley-style power valve with 1/2 in. x 28 threads, and they come with a new gasket.
  • Includes Gasket

Fast Efficient Shipping

Through our distribution network Deliveries can be as fast as Next Day Delivery.
Delivery times vary by destination, tracking information is provided with every purchase.

Get it Installed

JB's Power Centre offers on-site professional installation services in Calgary and Edmonton, AB.
We have on staff licensed Mechanical Technicians as well as MECP Certified 12-Volt Technicians.

* Extend your products Manufacturer Warranty

All products include a manufacturer warranty, but you can extend this warranty with
JB's Purchase Protection Plan
*Available on select products.