Disc Brake Kit for Ford 37-48 Upgrade Disc Brake Kit Front Disc Brake Kit For Sale - New and Used

5 on 4-1/2" Disc Brake Kit Metric Calipers Drilled Slotted Rotors for 1937-1948 Ford Spindles1937-1948 Ford Spindle Disc Brake Upgrade Kit 5 Lug 4.5" Bolt Pattern Metric Brake Calipers AssemblyAbout the itemThis 5 on 4-1/2 inch disc brake kit is a professional brake upgrade solution for 1937-1948 Ford vehicles, solving weak stopping power, brake fade and outdated performance of drum brake systems.Equipped with metric calipers and drilled slotted rotors, this Ford disc brake kit delivers enhanced heat dissipation and stable braking, perfectly matching classic Ford spindles for safe and reliable old car restoration.Features

• Drilled & Slotted Rotor Heat Dissipation：Features drilled and slotted rotor design to accelerate airflow and heat discharge, effectively reducing brake fade during frequent braking and maintaining consistent stopping performance.
• Precision 5-Lug 4.5” Bolt Pattern Fit：Standard 5 on 4-1/2 inch bolt pattern ensures precise wheel matching, avoiding installation misalignment and wheel shaking issues after brake upgrade.
• Stable Metric Caliper Performance：Adopts high-precision metric brake calipers for uniform brake force distribution, delivering smoother, more responsive braking than traditional drum brakes for daily driving safety.
• Multi-Style Spindle Compatibility：Fits 1937-1941 round back spindles with zero modification and 1942-1948 square back spindles with simple minor grinding, covering full 1937-1948 Ford models.
• Universal Steering Arm Adaptation：Works perfectly with both cast-in and bolt-on steering arms, no extra parts replacement required to save modification time and cost.
• Durable Wear-Resistant Construction：Made of high-strength automotive-grade metal materials, resisting high-temperature abrasion and mechanical impact for long-term service life on restored classic cars.
• Direct Upgrade for Old Car Restoration：Ideal replacement for aging drum brake assemblies, upgrading vintage Ford braking system to modern disc brake performance without complex vehicle refitting.

Full SpecificationItem ParameterDetailsProduct NameDisc Brake Upgrade KitBolt Pattern5 on 4-1/2 Inch (4.5")Caliper TypeHigh Precision Metric Brake CalipersRotor StyleDrilled & Slotted Heat Dissipation RotorsCompatible Vehicles1937-1948 Ford Cars, 1937-1947 Ford TrucksSpindle Fitment37-41 Round Back / 42-48 Square Back Ford SpindlesCompatible Steering ArmCast-in & Bolt-On Steering ArmsInterchange Part Number91031945Condition100% Brand New Complete AssemblyPackage IncludesFull Set Disc Brake Kit with Drilled & Slotted Rotors, Metric Calipers & Installation AccessoriesApplication ScenariosThis disc brake kit is specially designed for 1937-1948 classic Ford car and truck restoration and brake system upgrade. It is suitable for replacing aging, low-performance drum brake systems, perfect for vintage car modification, classic vehicle maintenance and road safety performance improvement.

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