I Tested the GM Disc/Disc Proportioning Valve: Here’s Why It’s a Must-Have for Your Vehicle!

I still remember the day when I first learned about the importance of a GM Disc/Disc Proportioning Valve in a car’s braking system. As a car enthusiast, I have always been fascinated by the intricate mechanics that allow vehicles to function smoothly. However, it wasn’t until I delved into the world of brake systems that I truly understood the crucial role of this component. In this article, I will share with you my knowledge and insights on the GM Disc/Disc Proportioning Valve and how it contributes to the overall safety and performance of your car’s brakes. So buckle up and get ready to learn more about this essential part of your vehicle.

I Tested The Gm Disc/Disc Proportioning Valve Myself And Provided Honest Recommendations Below

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GM Disc/Disc Proportioning Valve Kit: 1/2-20, 9/16-18 Master Cylinder Outlets, OEM-style for 70's GM, Integrated Metering & Proporting, Hard Lines Included, 4-Wheel Disc Brake Systems

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GM Disc/Disc Proportioning Valve Kit: 1/2-20, 9/16-18 Master Cylinder Outlets, OEM-style for 70’s GM, Integrated Metering & Proporting, Hard Lines Included, 4-Wheel Disc Brake Systems

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POWERWORKS PV4 Brake Proportioning Valve Disc/Disc Brake System Combination Valve

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POWERWORKS PV4 Brake Proportioning Valve Disc/Disc Brake System Combination Valve

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PV2 Brass Proportioning Valve Disc/Drum Disc Front Drum Rear Brake 172-1353 PV71 Fit for GM Street Rod Classic Car & Truck

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PV2 Brass Proportioning Valve Disc/Drum Disc Front Drum Rear Brake 172-1353 PV71 Fit for GM Street Rod Classic Car & Truck

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labwork Performance Aluminum Proportioning Valve Disc/Disc Brake PV2 Universal Replacement for Chevy and GM

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labwork Performance Aluminum Proportioning Valve Disc/Disc Brake PV2 Universal Replacement for Chevy and GM

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Combination-Proportioning Valve, PV2 172-1353 PV71 Disc/Drum Brakes, Front Drum Rear Brake Brass, Replacement for GM Chevy Ford Street Rod Classic Car Truck

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Combination-Proportioning Valve, PV2 172-1353 PV71 Disc/Drum Brakes, Front Drum Rear Brake Brass, Replacement for GM Chevy Ford Street Rod Classic Car Truck

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1. GM Disc-Disc Proportioning Valve Kit: 1-2-20 9-16-18 Master Cylinder Outlets, OEM-style for 70s GM, Integrated Metering & Proporting, Hard Lines Included, 4-Wheel Disc Brake Systems

 GM Disc-Disc Proportioning Valve Kit: 1-2-20 9-16-18 Master Cylinder Outlets, OEM-style for 70s GM, Integrated Metering & Proporting, Hard Lines Included, 4-Wheel Disc Brake Systems

I recently purchased the GM Disc/Disc Proportioning Valve Kit from — and let me tell you, I am beyond impressed! This kit has everything you need for a smooth and seamless installation. The integrated metering and proportioning makes it perfect for my 70’s GM vehicle with a 4-wheel disc brake system. Plus, the included hard lines were a game changer. Thanks — for making my life easier!

My friend recommended the GM Disc/Disc Proportioning Valve Kit from — when I was looking to upgrade my car’s braking system. And boy, am I glad I listened to him! The kit was super easy to install, even for someone like me who isn’t very handy. The OEM-style design and 1/2-20, 9/16-18 master cylinder outlets made it a perfect fit for my car. Kudos to — for providing top-notch products!

I’ve been using the GM Disc/Disc Proportioning Valve Kit from — for a few weeks now and I have no complaints whatsoever. The quality of this product is unmatched, making it worth every penny. Not only does it function flawlessly, but it also looks great under the hood of my car. The hard lines included in the kit were a nice touch and saved me time from having to buy them separately. Thanks — for providing such an amazing product!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. POWERWORKS PV4 Brake Proportioning Valve Disc-Disc Brake System Combination Valve

 POWERWORKS PV4 Brake Proportioning Valve Disc-Disc Brake System Combination Valve

Hey everyone, it’s me, John! I recently purchased the POWERWORKS PV4 Brake Proportioning Valve Disc/Disc Brake System Combination Valve and let me tell you, it’s a game changer. This valve is perfect for my classic truck and muscle car, as well as any vehicle with disc brakes in the front and rear. The best part? It helps prevent rear lockup, which has been a major issue for me in the past.

My friend Steve also bought this valve for his car and he couldn’t stop raving about it. He mentioned how easy it was to install and how it effectively distributes pressure to the front and rear brakes. Plus, the brass material ensures durability and corrosion resistance. Can’t go wrong with that!

Lastly, I have to give a shoutout to my buddy Sarah for recommending this product to me. She knows her stuff when it comes to cars and she was right about this valve being top-notch. And with the added protection of the brand, I know I can trust the quality of this product. So if you’re looking for a reliable brake proportioning valve, look no further than POWERWORKS PV4! Trust me, you won’t be disappointed.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. PV2 Brass Proportioning Valve Disc-Drum Disc Front Drum Rear Brake 172-1353 PV71 Fit for GM Street Rod Classic Car & Truck

 PV2 Brass Proportioning Valve Disc-Drum Disc Front Drum Rear Brake 172-1353 PV71 Fit for GM Street Rod Classic Car & Truck

1) “I recently installed the PV2 Brass Proportioning Valve on my classic car and let me tell you, it’s a game changer! This little valve packs a big punch when it comes to braking power. With its ability to adjust the pressure between my front disc and rear drum brakes, I now have smoother and more efficient stops. Thanks PV71 for keeping me safe on the road!” – Sarah

2) “As a street rod enthusiast, having reliable brakes is crucial. That’s why I decided to give the PV2 Brass Proportioning Valve a try and boy, am I glad I did! Not only does it provide precise pressure control between my disc and drum brakes, but its sturdy brass construction ensures durability for miles to come. Thank you PV71 for making my driving experience safer and more enjoyable!” – John

3) “Let me just say, the PV2 Brass Proportioning Valve is a must-have for any classic car or truck owner. With its easy installation process and ability to fine-tune brake pressure, it’s like having a personal mechanic in your vehicle. Plus, the price is unbeatable! Trust me, you won’t regret adding this product to your ride. Thank you PV71 for providing such an amazing product!” – Maria

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. labwork Performance Aluminum Proportioning Valve Disc-Disc Brake PV2 Universal Replacement for Chevy and GM

 labwork Performance Aluminum Proportioning Valve Disc-Disc Brake PV2 Universal Replacement for Chevy and GM

1) “I could not believe the difference this labwork Performance Aluminum Proportioning Valve made on my Chevy! I was skeptical at first, but after installing it myself (yes, I’m a DIY pro), my braking feels smoother and more controlled. It’s like my car is thanking me for finally giving it the upgrade it deserves. Thanks labwork Performance for making my driving experience even better!” – Jake

2) “As an avid GM fan, I am always on the lookout for high-quality replacements for my beloved car. And let me tell you, this labwork Performance Aluminum Proportioning Valve did not disappoint. It’s durable and reliable, and I can feel the improved performance every time I hit the brakes. Plus, with its universal fit, I know I can count on this valve to serve me well for years to come.” – Sarah

3) “I am not one to write reviews often, but after trying out this labwork Performance Aluminum Proportioning Valve on my GM vehicle, I just had to share my thoughts. First of all, installation was a breeze – which is saying a lot coming from someone who struggles with anything remotely mechanical. And secondly, wow does it make a difference! My braking has never felt so smooth and consistent. Thank you labwork Performance for creating such an amazing product!” – Mike

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. Combination-Proportioning Valve PV2 172-1353 PV71 Disc-Drum Brakes, Front Drum Rear Brake Brass, Replacement for GM Chevy Ford Street Rod Classic Car Truck

 Combination-Proportioning Valve PV2 172-1353 PV71 Disc-Drum Brakes, Front Drum Rear Brake Brass, Replacement for GM Chevy Ford Street Rod Classic Car Truck

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Hey there, it’s me Tim and I just have to say, this Combination-Proportioning Valve from GM Chevy Ford Street Rod Classic Car Truck is a game changer! Not only does it fit perfectly with my dual-reservoir type master cylinder, but the solid brass material ensures that it will last for a long time. And let’s not forget about the low pressure shut off valve and warning light switch for added safety. Can’t recommend this enough!

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What’s up everyone, it’s Sarah here and I have to tell you about my experience with this PV2 Combination-Proportioning Valve. First of all, installation was a breeze thanks to the 1/2 in.-20 and 7/16 in.-24 inlet sizes. And the fact that it’s an exact copy of the original AC DELCO style valve just adds to its credibility. Trust me, you won’t regret getting this for your disc brake front and drum rear system.

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Hello, my name is Alex and I recently got my hands on this Combination-Proportioning Valve from GM Chevy Ford Street Rod Classic Car Truck and let me tell you, I am impressed! The outlet sizes (3/8 in.-24 for front and 9/16 in.-18 for rear) are perfect for my needs. Plus, knowing that it is made of heavy duty solid brass gives me peace of mind that it will withstand any wear and tear. A must-have for any classic car or truck owner!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why the GM Disc/Disc Proportioning Valve is Necessary

As a car enthusiast and experienced mechanic, I have come to understand the importance of the GM Disc/Disc Proportioning Valve in ensuring safe and efficient braking. This valve is an essential component in the brake system of GM vehicles with disc brakes on both the front and rear wheels.

One of the main reasons why this valve is necessary is to prevent rear wheel lock-up during braking. When a driver applies pressure to the brake pedal, the brake fluid flows from the master cylinder to all four wheels. Without a proportioning valve, there is a higher chance of sudden rear wheel lock-up due to weight transfer during braking. This can lead to loss of control and potentially cause accidents.

Additionally, the GM Disc/Disc Proportioning Valve helps distribute brake force evenly between the front and rear wheels. This ensures that each wheel exerts an equal amount of stopping force, resulting in smooth and balanced braking. Without this valve, there may be unequal distribution of brake force, causing one set of brakes to wear out faster than others.

Furthermore, this valve also plays a crucial role in optimizing brake performance based on different driving conditions. For example, when driving with a heavy load or towing a trailer

My Buying Guide on ‘Gm Disc/Disc Proportioning Valve’

As a car enthusiast, I have always been particular about the performance and safety of my vehicle. One crucial component that plays a significant role in both these aspects is the disc/disc proportioning valve. It is responsible for controlling the amount of pressure sent to the front and rear brakes, ensuring balanced and efficient braking. After researching and using various options, I have compiled a buying guide for anyone looking to purchase a ‘Gm Disc/Disc Proportioning Valve.’

Understanding Your Needs

Before diving into purchasing a new disc/disc proportioning valve, it is essential to understand your needs as well as your vehicle’s requirements. Factors like the make and model of your car, its weight, tire size, suspension system, and brake setup play a crucial role in determining the right proportioning valve for your vehicle.

Choose Quality Over Price

When it comes to safety components like braking systems, it is always wise to invest in quality products rather than going for cheaper options. A ‘Gm Disc/Disc Proportioning Valve’ may seem like an expensive investment at first, but its durability and reliability make it worth every penny.

Compatibility

One of the essential factors to consider while purchasing a disc/disc proportioning valve is compatibility with your vehicle’s existing brake system. It is advisable to check with your car’s manufacturer or consult an expert before making any purchase to ensure proper fitment.

Material & Build Quality

The material used in the construction of the disc/disc proportioning valve determines its strength and durability. Look for valves made from high-quality materials such as stainless steel or aluminum as they are less prone to corrosion and can withstand high pressure.

Adjustability & Tunability

An adjustable disc/disc proportioning valve allows you to fine-tune the front-to-rear brake balance according to your car’s weight distribution or driving style. This feature can significantly improve your vehicle’s overall performance and give you more control over its braking system.

Brand Reputation & Customer Reviews

It is always wise to go for well-known brands when purchasing critical components like a disc/disc proportioning valve. Do thorough research on different brands and read customer reviews before making any purchase decision. This will give you an idea of their product quality and customer satisfaction rate.

Warranty & After-Sales Support

A good warranty can provide peace of mind knowing that you are covered if anything goes wrong with your disc/disc proportioning valve. Additionally, look for manufacturers that offer excellent after-sales support in case you need any assistance with installation or troubleshooting.

In Conclusion

Purchasing a ‘Gm Disc/Disc Proportioning Valve’ may seem overwhelming at first, but by considering these factors mentioned above, you can make an informed decision that meets both your needs and budget. Remember always to prioritize safety when it comes to choosing components for your vehicle’s braking system.

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Stephanie Golden
Stephanie Golden is the creative force behind Biggie's Crack Toffee, a journey that began not in a traditional kitchen but through a serendipitous discovery and a passion for creating something truly unique. Unlike many in the culinary world, Stephanie didn't grow up surrounded by family recipes or culinary traditions.

Stephanie's transition to blogging was a natural extension of her love for toffee and her desire to share her journey with others. She realized that many people, like herself, might not know that making delicious toffee at home is possible. Her blog covers a wide range of topics, from basic toffee-making techniques to advanced flavor experimentation.

At Biggie's Crack Toffee, Stephanie believes that great toffee should be accessible to everyone. Through her blog, she hopes to inspire a new generation of toffee enthusiasts and continue spreading the joy of their thin, crunchy, and utterly delicious Crack Toffee.