TINY FORCE 172-1364 Drum Disc Brake Proportioning Valve 172-1353 PV4 9/16 1/2 Lines

( Brand: Tiny Force ), ( Manufacturer Part Number: 172-1364 ), ( Part Type: Disc Drum Valve ), ( Exterior Finish: Brass ), ( Inlet Connection Type: Barb ), ( Valve Type: Proportioning Valve ), ( Item Dimensions: 7.87 X 4.72 X 2.36 Inches ), ( Item Weight: 2.18 Pounds ), ( Material Type: Brass, Zinc ), ( Model Number: 172-1353, 172-2187, 172-2174 ), ( Unit Count: 1.0 Count )

Review TINY FORCE Universal Disc Drum Brake Proportioning Pv4 Valve 9/16 1/2 Lines

The **Force 172-1364 Disc Drum Proportioning Valve** is a precision-engineered hydraulic component designed to optimize braking performance in vehicles equipped with both disc and drum brake systems. This valve plays a critical role in maintaining balanced brake pressure distribution between the front disc brakes and rear drum brakes, ensuring predictable stopping power and preventing brake fade or lockup under heavy loads or demanding conditions. Built with a robust **9/16-inch (14.3mm) inlet port** and **1/2-inch (12.7mm) outlet ports**, the valve accommodates standard brake line fittings, making it compatible with a wide range of aftermarket and OEM brake systems. Its **PV4 (Pressure-Vacuum 4-way) design** allows for seamless integration into the brake master cylinder circuit, regulating pressure to the rear drums while preventing excessive bleeding back into the front disc brake system, which could compromise stopping efficiency.

Constructed from high-grade **steel or aluminum alloy** (depending on the specific variant), the valve is engineered for durability and resistance to corrosion, ensuring long-term reliability even in harsh environments. The internal mechanism features a **precision-balanced piston and spring-loaded valve assembly**, which dynamically adjusts pressure ratios to match the vehicle s weight transfer during braking. This proportional control helps prevent rear-wheel lockup on uneven surfaces or when carrying heavy loads, while also reducing wear on the drum brake shoes by maintaining optimal hydraulic pressure. The valve s compact yet robust design allows for easy installation in tight brake line configurations, whether in stock brake systems or custom setups.

Ideal for performance-oriented applications, off-road vehicles, or heavy-duty trucks, the **Force 172-1364** enhances braking consistency and safety by mitigating the natural tendency of front disc brakes to dominate hydraulic pressure. This valve is particularly beneficial in scenarios where rear drum brakes might otherwise be starved of sufficient pressure, leading to delayed stopping distances or uneven brake engagement. Whether used in a stock brake upgrade or as part of a full hydraulic brake overhaul, the Force proportioning valve ensures a harmonious balance between front and rear braking forces, delivering confidence-inspiring performance under all driving conditions. Its straightforward installation and compatibility with standard brake line sizes make it a practical and effective solution for drivers seeking superior brake control.

### **Pros and Cons of buying a Force 172-1364 Disc Drum Brake Proportioning Valve (9/16" / 1/2" Lines)**

1. **Compatibility** This valve is designed specifically for disc-drum brake setups, making it a reliable choice for vehicles that require both disc and drum braking systems (common in trucks, SUVs, and some performance cars).

2. **Pressure Regulation** The proportioning valve ensures that the rear drum brakes do not lock up before the front disc brakes, improving stability and preventing skidding, especially under heavy loads or in emergency stops.

3. **Durability** Force is a well-known brand in the brake industry, and this valve is built to withstand high pressures and frequent use, reducing the risk of failure over time.

4. **Easy Installation** The 9/16" and 1/2" line compatibility means it fits standard brake line sizes, and the design is straightforward for DIY installation.

5. **Cost-Effective** Compared to OEM proportioning valves, this aftermarket option is often more affordable while maintaining similar performance.

6. **Performance Benefits** Proper proportioning improves braking efficiency, especially in heavy-duty applications, reducing wear on brake components.

7. **Widely Available** As a common brake part, it is easy to find in auto parts stores, online retailers, and brake shops.

1. **Potential Quality Variations** While Force is a reputable brand, some users report inconsistent quality in aftermarket brake parts, though this is rare with well-known manufacturers.

2. **Installation Complexity** If you are not experienced with brake systems, improper installation (e.g., incorrect bleeding or line routing) could lead to brake failure or reduced performance.

3. **Compatibility Issues** Some vehicles may require a specific type of proportioning valve (e.g., adjustable vs. fixed ratio), so verifying compatibility with your vehicle s manual or a brake specialist is crucial.

4. **Cost of Replacement** If the valve fails prematurely (due to contamination, corrosion, or improper installation), replacing it may require additional labor or parts.

5. **Bleeding Required** After installation, the brake system must be properly bled to remove air, which can be time-consuming if not done correctly.

6. **Limited Adjustability** Most proportioning valves are fixed-ratio, meaning they cannot be adjusted on the fly; if the vehicle s weight distribution changes significantly (e.g., heavy loads), performance may suffer.

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### **Conclusion**

The **Force 172-1364 Disc Drum Brake Proportioning Valve** is a solid, reliable choice for vehicles requiring disc-drum brake proportioning. It offers **improved braking stability, durability, and ease of installation**, making it a practical upgrade for trucks, SUVs, or modified vehicles. However, **proper installation and compatibility checks are essential** to avoid performance issues or safety risks.

If you are replacing an existing proportioning valve or upgrading a system that lacks one, this valve is a **good aftermarket alternative to OEM parts**, provided you follow installation guidelines carefully. For critical applications (e.g., heavy-duty towing or high-performance driving), consider consulting a brake specialist to ensure the correct valve type and setup.

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### **Recommendation**

- Your vehicle has a disc-drum brake setup and lacks a proportioning valve.

- You need a reliable, budget-friendly aftermarket option.

- You are confident in basic brake system maintenance or have access to professional help for installation.

- Your vehicle requires a **different valve type** (e.g., adjustable proportioning or a specific ratio).

- You are unsure about **bleeding the brake system** or proper installation techniques.

- You suspect **corrosion or contamination** in your brake lines, which could affect valve performance.

For maximum safety, **always verify compatibility with your vehicle s brake system specifications** and consider professional installation if unsure.

Details:

As more Force is applied to the brakes car will begins lean forward, less braking needed in rear. 2.Efficiently provides a way to regulate how much and when brake pressure is put in each axle set of the system. 3 potable disc/disc proportioning PV4 valve kit self adjusting valve, pre-bent lines for 1/2 and 9/16 master cylinder ports, bracket to mount the side of cylinder, bolts. This valve decreases the pressure to rear which prevents them from locking up.

Universal Disc Drum Brake Proportioning PV4 Valve 9/16 1/2 with Lines Bracket Mount Kit Compatible GM Chevy Buick Pontiac Fire bird Hot rod Classic Trucks:: 1.Replace Part Number 172-1353, 172-2187, 172-2174, 172-1364, 172-1363, 172-2215, 172-135. Fast Delivery. 4.Universal fit for Disc Drum Cars Trucks; Compatible with GM Chevy Buick Trucks.

specifications rackmountcasee:

• brand: Tiny Force
• mpn: 172-1364
• part type: Disc Drum Valve
• exterior finish: Brass
• inlet connection type: Barb
• valve type: Proportioning Valve
• item dimensions: 7.87 X 4.72 X 2.36 Inches
• item weight: 2.18 Pounds
• material type: Brass, Zinc
• model number: 172-1353, 172-2187, 172-2174
• unit count: 1.0 Count

seller rackmountcasee:

• rating: 100.0%
• # reviews: 3190
• city: Miami, Florida

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• type: Fixed
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offer rackmountcasee:

• options: Ship-to-home
• started: June 9, 2026
• sold: 0
• availability: In Stock
• quantity: 1

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• policy: No Returns

general rackmountcasee:

• condition: New
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