--- product_id: 354930193 title: "PV4 Brake Proportioning Valve" brand: "powerworks" price: "Β£61.30" currency: GBP in_stock: true reviews_count: 10 category: "Powerworks" url: https://www.desertcart.co.uk/products/354930193-pv4-brake-proportioning-valve store_origin: GB region: United Kingdom --- # Proportional pressure distribution prevents rear lockup Universal fit for classic trucks & muscle cars Durable corrosion-resistant brass construction PV4 Brake Proportioning Valve **Brand:** powerworks **Price:** Β£61.30 **Availability:** βœ… In Stock ## Summary > πŸš— Master your brakes, own the road with PV4 precision! ## Quick Answers - **What is this?** PV4 Brake Proportioning Valve by powerworks - **How much does it cost?** Β£61.30 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/354930193-pv4-brake-proportioning-valve) ## Best For - powerworks enthusiasts ## Why This Product - Trusted powerworks brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Premium Brass Build:** Crafted from high-quality brass for superior durability, corrosion resistance, and thermal conductivity. - β€’ **Rear Lockup Prevention:** Smart pressure balancing technology ensures safer braking by eliminating rear wheel lockup. - β€’ **Universal Compatibility:** Fits nearly all disc/disc brake systems on classic trucks and muscle cars for seamless upgrades. - β€’ **Versatile Mounting Options:** Left, right, or bottom mount flexibility to suit your custom brake setup with ease. - β€’ **Precision Threaded Connections:** Standard 9/16"-18 and 1/2"-20 fittings guarantee secure, leak-free installation every time. ## Overview The PV4 Brake Proportioning Valve by POWERWORKS is a high-quality brass combination valve designed for disc/disc brake systems on classic trucks and muscle cars. It ensures proportional pressure distribution to prevent rear brake lockup, enhancing safety and control. Featuring versatile mounting options and standard threaded fittings, it offers durable, corrosion-resistant performance trusted by enthusiasts and professionals alike. ## Description This is a UNIVERSAL PV4 combination valve, Disc/Disc brake system combination valve， proportioning-combination valve in brass. Our proportioning valve will work as left mount, right mount or bottom mount.The combination/prop valve has five connections.It has a 9/16"-18 connection for Rear Brakes & Dual 3/8"-24 ports for the front brakes .The connections from the Master Cylinder are 1/2"-20 and 7/16"-24.This proportional valve help you solve the rear lock up problem. Under the protection of the brand, the quality of the goods is trustworthy. If you have any questions, you can contact us. We look forward to giving you the best shopping experience. Review: Does the job as advertized - Appears to be good quality. Doing the job it was meant to do. Review: Fits 82 Camaro Z28 Indy Pace Car - Fits and works correctly on my 82 Camaro Z28 Indy Pace Car ## Features - This PV-4 proportioning valve works on almost any classic truck, or muscle car, and nearly all vehicles that have disc brakes in the front and disc brakes in the rear - This proportional valve help you solve the rear lock up problem. This proportional valve / combination valve helps to distribute the pressure sent to the front and rear brakes proportionally, effectively preventing rear lockup - Has standard 9/16"-18 and 1/2"-20 fittings - The connections from the Master Cylinder are 1/2"-20 and 7/16"-24. This proportioning valve made of high-quality brass to ensure the durability, corrosion resistance and high-quality thermal conductivity of the product - Package include：1 Pcs Brass PV4 Brake Proportioning Valve Disc/Disc ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B096TTYR4N | | Best Sellers Rank | #43,013 in Automotive ( See Top 100 in Automotive ) #3 in Automotive Replacement Brake Proportioning Valves | | Brand | POWERWORKS | | Brand Name | POWERWORKS | | Connector Type | Threaded | | Customer Reviews | 4.5 out of 5 stars 309 Reviews | | Exterior Finish | Brass | | Inlet Connection Size | 0.38 inches | | Inlet Connection Type | Threaded | | Manufacturer | Powerworks | | Material | Brass | | Material Type | Brass | | Model Number | 749346322123 | | Number of Items | 1 | | Number of Packs | 1 | | Number of Pieces | 1 | | Number of Ports | 3 | | Outlet Connection Size | 0.38 inches | | Outlet Connection Type | NPT | | Size | PV4 | | Thread Size | 9/16 inches | | Thread Type | NPT | | UPC | 749346322123 | | Unit Count | 1 Count | | Valve Type | Proportional Valve | ## Product Details - **Brand:** POWERWORKS - **Exterior Finish:** Brass - **Inlet Connection Size:** 0.38 Inches - **Inlet Connection Type:** Threaded - **Manufacturer:** Powerworks - **Material:** Brass - **Number of Ports:** 3 - **Outlet Connection Size:** 9/16 Inches - **Outlet Connection Type:** NPT - **UPC:** 749346322123 ## Images ![PV4 Brake Proportioning Valve - Image 1](https://m.media-amazon.com/images/I/41ysDk9FFvL.jpg) ![PV4 Brake Proportioning Valve - Image 2](https://m.media-amazon.com/images/I/41PdQ9mexFL.jpg) ![PV4 Brake Proportioning Valve - Image 3](https://m.media-amazon.com/images/I/4118sQiy6LS.jpg) ![PV4 Brake Proportioning Valve - Image 4](https://m.media-amazon.com/images/I/41SAUQ2Sj6S.jpg) ![PV4 Brake Proportioning Valve - Image 5](https://m.media-amazon.com/images/I/41v9JgJblXS.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Does the job as advertized *by A***R on January 1, 2026* Appears to be good quality. Doing the job it was meant to do. ### ⭐⭐⭐⭐⭐ Fits 82 Camaro Z28 Indy Pace Car *by J***T on February 24, 2026* Fits and works correctly on my 82 Camaro Z28 Indy Pace Car ### ⭐⭐⭐⭐⭐ Fix the 1975 Corvette *by A***R on March 14, 2026* It took a bit to get it plumbed it right with a 4 piston per caliper set up but work great now nice machine work to it --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/354930193-pv4-brake-proportioning-valve](https://www.desertcart.co.uk/products/354930193-pv4-brake-proportioning-valve) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-08-19*