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  2. sku: 3757060902759623
  3. PROCHARGER AV004A-004

PROCHARGER AV004A-004 Race Bypass Valve Flange Kit

Av004a-004 Procharger In Stock Red Race Bypass Valve V-band Flange - Open No Kit

( Brand: Procharger ), ( Manufacturer Part Number: AV004A-004 ), ( Type: Bypass Valve ), ( Ipn: P-1x ), ( Fitment Type: Performance/custom ), ( Country Of Origin: United States )

Review PROCHARGER In Stock Red Race Bypass Valve V band Flange Open No Kit

The Procharger AV004A-004 Race Bypass Valve V-Band Flange Kit is a high-performance accessory designed for those seeking to maximize the potential of their Procharged engine. This race bypass valve kit is specifically engineered to optimize boost response, reduce compressor surge, and ensure reliable and consistent performance under extreme conditions.

The kit includes a Procharger AV004A-004 Race Bypass Valve and a V-Band Flange. The bypass valve is a critical component of the Procharger system, as it allows excess boost pressure to bypass the intercooler when the engine reaches high RPMs or when the intake air temperature increases. This helps maintain optimal boost pressure throughout the entire RPM range, resulting in improved power output and enhanced driving dynamics.

The V-Band Flange is a crucial component of the installation process. It features a robust V-Band clamp design, which provides a secure and leak-free connection between the bypass valve and the intake system. The flange is also engineered to withstand the extreme heat and pressure generated by high-performance engines, ensuring reliable and durable performance over the long term.

The AV004A-004 Race Bypass Valve V-Band Flange Kit is suitable for use in a wide range of applications, making it a versatile and valuable addition to any Procharged engine build. It is designed to fit most Procharger systems, including those used in both automotive and industrial applications. However, it is essential to check the compatibility of this kit with your specific Procharger setup before installation.

In conclusion, the Procharger AV004A-004 Race Bypass Valve V-Band Flange Kit is a must-have accessory for anyone looking to extract maximum performance from their Procharged engine. It delivers improved throttle response, enhanced power output, and reliable performance under extreme conditions. With its durable design and easy installation process, this kit is an essential addition to any high-performance engine build.

The Procharger AV004A-004 Race Bypass Valve V-Band Flange Kit is a performance part designed to improve the efficiency and power output of a centrifugal supercharger system. Here are some potential pros and cons of purchasing this kit:

Pros:

1. Increased power: By allowing excess boost pressure to bypass the intercooler during hard acceleration, the Race Bypass Valve can help increase power output, particularly at higher RPMs.

2. Improved response: The use of a bypass valve can help reduce the response time of the supercharger system, resulting in more immediate power delivery.

3. Customizable: The V-Band Flange Kit allows for easy installation on a wide range of applications, making it a versatile option for those looking to upgrade their supercharger system.

4. Durable: Procharger is known for producing high-quality performance parts, and the AV004A-004 Race Bypass Valve is no exception. It is designed to withstand the rigors of high-performance driving.

Cons:

1. Cost: The Procharger AV004A-004 Race Bypass Valve V-Band Flange Kit is a premium performance part, and the cost may be a deterrent for some consumers.

2. Complexity: Installing a bypass valve and related components can be a complex process, and may require some mechanical knowledge and experience.

3. Potential for noise: The use of a bypass valve can result in increased engine noise, particularly during hard acceleration.

4. Potential for reduced fuel economy: By allowing more boost pressure to flow directly to the engine, the Race Bypass Valve can result in reduced fuel economy, particularly during cruising or low-load driving.

Conclusion:

The Procharger AV004A-004 Race Bypass Valve V-Band Flange Kit is a high-performance part that can help increase power output and improve response time in a supercharger system. However, it comes with some drawbacks, including cost, complexity, potential for noise, and reduced fuel economy. Ultimately, the decision to purchase this kit depends on the individual's priorities and budget.

Recommendation:

If you are looking to maximize power output and response time in your supercharged vehicle, and are willing to invest in a premium performance part, then the Procharger AV004A-004 Race Bypass Valve V-Band Flange Kit may be a good option for you. However, if cost or complexity is a concern, or if you prioritize fuel economy over power, then you may want to consider other options or modifications.

Details:

The larger valve diameter is designed for high-flow applications. Installing a bypass valve between the supercharger discharge and carburetor/throttle body prevents damaging compressor surges by diverting un demanded charge air to atmosphere during manifold vacuum conditions. Stacked up boost will also try to find weak spot in the tubing and hoses blow out of. This is why Bypass Valves are better than Blow Off.

This listing is for a Single ATI / Procharger Red Bypass Valve with V-band connection. A vacuum block is a component that provides multiple and boost ports for connecting various accessories devices in supercharged engine setup. Blow-off valves are designed to relieve boost at a set amount of boost, and can cause stacking when used with blower. ATI Procharger Race Bypass Valve, Details.

Depending on where the race valve is located, it can also kick up a lot of road dust. Importance of Bypass/Surge Valves, Applications utilizing inter cooling and those operating at boost levels in excess 8 psi will benefit from the use a bypass valve commonly referred to as surge. Unless a blow off valve is properly set up with light spring though, the boost that built places load on blower hard it, plus it will try to slow down which can cause belt slippage. Bypass valves are used with blowers since they always relieve the boost until near zero vacuum heavy throttle is achieved.

Boost Gauges. In high RPM, low load conditions, the supercharger is still operating at full speed and attempting to deliver flow. With the throttle blade at or near fully closed position, engine is unable to accept airflow from supercharger. In this event the pressure builds until flow attempts to reverse direction and exit through compressor, resulting in a harmful condition known as compressor surge.

Routing the hose past firewall quiets down release of air from valve. Bypass Valves vs Blow Off Valves, Blowers are always producing some amount of boost as they belt driven, where a turbo spools up the exhaust velocity is increased. ATI/Procharger Part # AV004A-004: Extended Details. Valve Specs, Applications: Street/Race, Max HP Range: 700-1200HP, Inlet Diameter: 2.0 in.

Applications at higher power levels are best suited for use with our poppet-style race valve. The open race valve vents the air directly to atmosphere, which can make a loud noise. Antis butterfly-type Pro-Flo is well suited for applications making 750 hp or less. ProCharger also offers universal vacuum blocks for superchargers, whats a block.

part #: av004a004 prices

  • $489.00-$649.99

specifications reppchargers:

  • brand: Procharger
  • mpn: Av004a-004
  • type: Bypass Valve
  • ipn: P-1x
  • fitment type: Performance/custom
  • country of origin: United States

seller reppchargers:

  • city: Costa Mesa, California
  • # reviews: 1993 9
  • rating: 98.3%

shipping reppchargers:

  • transit: 5-11 Days
  • type: Fixed
  • class: Expedited, One-day
  • cost: $0.00
  • carrier: USPS, UPS
  • service: USPS Priority Mail Medium Flat Rate Box, USPS Priority Mail Express, UPS Next Day Air Saver

returns reppchargers:

  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Seller

offer reppchargers:

  • sold: 0
  • started: January 15, 2026
  • quantity: 4
  • options: Ship-to-home
  • availability: In Stock

payments reppchargers:

  • other
  • credit card: Mastercard
  • wallet: Apple-pay

general reppchargers:

  • condition: New
  • Air Fuel Delivery > Turbos, Superchargers Intercoolers > Superchargers Parts
type: bypass valve, fitment type: performance/custom, country of origin: united states,
category: auto parts > air fuel delivery > turbos, superchargers intercoolers > superchargers parts, sku: 3757060902759623,

Procharger AV004A-004 Is Similar To:

reppchargers logo
4 offers $489.00–$649.99 USD
  • Offer #1: $489.00 price + $0.00 shipping estimate = $489.00* total. ATI s butterfly-type Pro-Flo is well suited for applications making 750 hp or less. (Boost Gauges).FREE SHIPPING
  • Offer #2: $489.00 price + $0.00 shipping estimate = $489.00* total.FREE SHIPPING
  • Offer #3: $649.99 price + $0.00 shipping estimate = $649.99* total. These kits include the v-band style valve, v-band mounting flange, vacuum line and fittings.FREE SHIPPING
  • Offer #4: $649.99 price + $0.00 shipping estimate = $649.99* total.FREE SHIPPING

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