Parts & Accessories

A power valve assembly in a carburetor controls the additional fuel flow needed when an engine is under heavy load, […]

To test a power brake booster check valve, first locate the valve on the brake booster and inspect it for

Power valve adjustment is essential for maintaining the optimal performance of a carbureted engine by ensuring the correct fuel delivery

Yes, a faulty EGR valve can cause a loss of power in a vehicle. When the EGR valve malfunctions—either by

To choose the right power valve for your Holley carb, first measure your engine’s manifold vacuum at idle using a

The 2-stroke engine, known for its simplicity, lightweight design, and powerful performance, has been a favorite for off-road motorcycles, dirt

To determine the correct Holley power valve size, measure your engine’s manifold vacuum at idle using a vacuum gauge. Then,

Yes, a bad purge valve can cause a loss of power in a vehicle. When the valve is stuck open,

A power valve check ball kit installation helps protect the carburetor’s power valve from damage caused by engine backfires. The

A power valve block off disables the power valve in a carburetor, preventing additional fuel from being introduced during high-load