Demon 240085 Carburetor Power Valve Standard Flow, 8.5 Inch Hg
Universal Fit, 8.5" Primary Stage Opening Vacuum
Proper power valve selection is crucial to carburetor tuning Demon Fuel Systems offers a complete range of quality power valves to accommodate every tuning requirement. Our power valves are rated in inches of mercury (amount of vacuum) required to open the valve. Most 4150/4160/2300 model carburetors use the Standard while 4500 and alcohol carburetors use the Hi-Flow power valve. Power valves should be replaced periodically to prevent leakage. All include gasket.
- Includes gasket
- This item ships directly from the manufacturer. It may take an additional 25 business days for Demon Carburetion to ship this item.
- Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
- This item ships via Ground Shipping only. Expedited and Air shipping options are not available.
Q & A
Tim talks about Edmunds air cleaners and the history of Edmunds.
In this episode, Project Chevelle takes a big step in its muscle car transformation. It's out with the little old 307 and to the dyno with our new 383 from BluePrint Engines!
Tim talks about his favorite intake manifold, the Might Edelbrock X1.
Tim talks about the vintage carburetor options we have available.
We look at the basics of performance carburetion and what you need to properly supply your street or race car with enough fuel in this buyer's guide
In this Tech Tip, John offers up a couple solutions to a somewhat common problem of fuel expansion on the older vehicles.
Tips and tricks to pull the most from your GM 602/604 platform.