PitStopUSA.com - Valves and Shut-Offs

Valves are available in several different styles for shut-offs, quick disconnect, dry break, one way valves, or breathers.

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Adjustable Power Steering Valves

Tune your power steering with our Adjustable Power Steering Valve. It allows you to set or tune the feel of your power steering with just the turn of a knob.

Brake Booster Check Valve

Brake booster check valves replaces the OEM plastic valve for a clean custom appearance. Choose from black or clear anodized finish & (3) vacuum hose options (3/8" hose barb, 1/2" hose barb, or -6...More Details »

Brake Proportioning Valves

Proportioning Valves from PitStopUSA.com come in a variety of styles and are used to adjust front-to-rear brake bias with the twist of a knob, or click of a lever. Multi-purpose combination...More Details »

Brake Shut-Off Valves

When energized, the Brake Shut-Off Valve will block pressure from reaching downstream. The valve does not prevent fluid from returning to the master cylinder. This eliminates the possibility of...More Details »

Brake System Residual Valves

These in-line residual pressure valves from PitStopUSA.com retain a minimum brake line pressure to help eliminate excessive pedal travel in both disc and drum brake systems. The two pound valve is...More Details »

Carb Vent Tube Spill Reduction Valves

The vent tube spill reduction valve reduces spillage from your carburetor's vent tubes in the event of a wreck or rough terrain experienced in off-road racing or rough water marine racing. This...More Details »

Compressed Air Tank Check Valves

Compressed Air Tank Check Valves keep the air in the tank after it has been filled.

Cooling System Air Bleed Valves

Air Bleed Valves bleeds air from any cooling system improving performance. PitStopUSA.com carries air bleed valves that are resistant to fuels, oil and anti-freeze to help you keep your high performance racing engine keep its cool.

Engine Heater Check Valves

Specialized check valve installs inline in radiator hose to allow connection to an engine cool-down “chiller” unit so that cold water may be circulated through the engine’s cooling system....More Details »

Fuel Cell Roll Over Vent

Pit Stop USA is The Online Motorsports Superstore! We feature Overflow & Check Valves at low everyday prices.

Fuel Pump Check Valves

Pit Stop USA offers Fuel Pump Check Valves at low everyday prices.

Fuel Sample Valves

Fuel Sample Valve is designed to simplify installation and make fuel checks a snap! Provides a duplicate 1/8? NPT port on the valve for installation of fuel pressure gauge or pressure sensor...More Details »

Fuel Shut-Off Valves

These lever style shut off valves allow for easy operation in all types of plumbing applications. Choose from valves w/ brass or aluminum construction. Fuel shut-off valves from PitStopUSA.com are...More Details »

Line Lock / Roll Control Valves

Electrically controlled valve engages with a switch, and holds pres-sure to the front brakes on drag race vehicles. Commonly used to prevent vehicles from rolling once they have staged or during...More Details »

Oil Accumulator Check Valves

Oil Accumulator Check Valves ensure that all of the oil being discharged out of an Oil Accumulator goes to lubricate the engine bearings. These valves are designed for use in systems where a remote oil filter or a cooler is used.

Oil Accumulator Electric Pressure Control Valves

Better than a manual valve, electronic control accumulator solenoid valves allow only the needed volume of oil to be released for quicker filling and discharging. An internal sensor electronically...More Details »

Oil Accumulator Manual Valves

Oil Accumulator manual ball valves let you manually drain the oil from your Oil Accumulator.

One Way Check Valves

One way valves allow flow in only one direction. They are used on Fuel Systems, Oil Systems and more.

PCV Valves

The PCV valve controls the flow of crankcase gases entering the intake system. At idle, the manifold vacuum is high, which would draw in a large quantity of crankcase gases, causing the engine to run too lean.

Petcocks

A petcock is a small shut-off valve used to control the flow of liquid operated by a butterfly handle. Petcocks are commonly used on radiators and expansion tanks.

Power Steering Flow Valves

This more assist, less feel flow valve kit includes four valves above the standard factory valve, allowing you to have the appropriate flow valve to tailor the power steering system to your requirements. A great addition to any toolbox.

Wing Slider Valves

Wing Slider Valves control fluid flow to the wing cylinder allowing for adjustment of the top wing.

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More About Valves and Shut-Offs

Aviation fluid transfer technology was introduced to the automotive performance market over five decades ago and top racing teams everywhere rely on them. PitStopUSA.com carries the most extensive line of AN plumbing products available from Aeroquip, A-1 Performance Plumbing, Earl's, Fragola, Russell and XRP including racing hose, hose ends, fitting, adapters, brake lines and more Pit Stop USA has your high performance plumbing needs covered!