Choosing the right disc brake conversion kit can dramatically improve stopping power and reliability. This guide highlights top kits designed for Honda ATVs and compatible classic GM vehicles, offering installation ease, compatibility notes, and performance details to help you compare options.
style=”text-align:center;”>Selected Products Overview
| Product | Brand | Fitment Highlights | Wheel Type Note |
|---|---|---|---|
| Front Disc Brake Conversion Kit for Honda Fourtrax 300 etc. (12″ wheels and up) | M MATI | Honda Fourtrax 300, Rancher 350, Foreman 400/450, Rubicon 500, Rincon 650 (TRX model range) | Not for OEM aluminum wheels |
| Speedway Motors Deluxe 11″ Front Spindle and Disc Brake Kit | Speedway Motors | 1964-74 GM A/F/X body, 11″ disc upgrade | GM A-Body platform compatible |
| Speedway Motors Bolt-On Rear Disc Brake Conversion Kit | Speedway Motors | GM 10/12 bolt rear ends | Rear axle only |
| Crown Automotive RT31006 Disc Brake Conversion Kit | Crown Automotive | Jeep 12-month warranty, 12″ components | Jeep-specific |
| SuperATV Front Disc Brake Conversion Kit (Honda ATVs) | SuperATV | Fits Honda Foreman, Rancher, Rubicon, Rincon, Fourtrax; 12″ steel wheels or larger | No OEM aluminum wheels |
Front Disc Brake Conversion Kit for Honda Fourtrax 300 Series
Model from M MATI targets a broad Honda ATV lineup, including TRX300, TRX350, TRX400, TRX450, TRX500, and TRX650. It emphasizes a 12″ wheel minimum and excludes OEM aluminum wheels. The kit focuses on replacing drum brakes with disc brakes, aiming to improve stopping power, with a note that wheel hubs are not included. Design and compatibility center on classic Fourtrax and Rancher platforms, aligning with common ATV upgrades for stronger, more predictable braking under load.
Speedway Motors Deluxe Front Spindle And Disc Brake Kit
This kit upgrades drum brakes to an 11″ disc system for GM A/F/X body cars from the mid-1960s to early 1970s. It includes vented rotors, GM-style calipers, brackets, organic pads, lines, bearings, seals, and hardware—providing a comprehensive replacement for improved braking performance and reliability. It’s compatible with a wide range of GM vehicles, including Chevelle, Malibu, El Camino, Camaro, Firebird, Nova, Ventura, Omega, and more, though some models may require spindle adjustments or part changes.
Speedway Motors Bolt-On Rear Disc Brake Kit
The rear disc brake conversion kit from Speedway Motors is designed for GM 10 and 12 bolt rear ends in mid-size cars. It offers a bolt-on solution that includes two brackets, rotors, calipers, and hardware, enabling a straightforward upgrade to disc brakes on compatible rear axles. It is not intended for full-size cars or larger axles, so alignment with your build is essential for reliable operation.
Crown Automotive RT31006 Disc Brake Conversion Kit
Crown Automotive offers a Jeep-focused conversion kit that emphasizes high-quality construction and a 12-month assurance. The RT31006 kit aims to simplify the upgrade from drum to disc brakes on Jeep models, delivering a robust, factory-like braking experience with reliable performance. It is designed for Jeep applications rather than general automotive use, ensuring compatibility with common Wrangler and Cherokee chassis constraints.
SuperATV Front Disc Brake Conversion Kit For Honda ATVs
SuperATV’s disc brake kit is engineered for Honda Foreman, Rancher, Rubicon, Rincon, and other Fourtrax variants. It requires 12″ steel wheels or larger and explicitly notes incompatibility with OEM aluminum wheels. The kit promises improved stopping power and reliability, with installation designed to be straightforward and free from welding or major modifications, using standard shop tools and clear instructions.
JAVIK Front Disc Brake Conversion Kit for Honda Fourtrax 300
JAVIK offers a comprehensive conversion kit for Honda ATV lineups, including TRX300, Rancher 350, Foreman 400/450, Rubicon 500, Rincon 650 models from the early 1990s to mid-2000s. It specifies compatibility with 12″ wheels or larger and excludes OEM aluminum wheels. The kit emphasizes an upgraded disc brake solution with compatible master cylinder and hose integration, aiming for smoother assembly and avoidance of brake-related sticking issues.
PratRaken ADV-NNB77 Front Disc Brake Conversion Kit
PratRaken’s ADV-NNB77 kit targets multiple Honda ATV fits, including TRX300, Rancher 350, Foreman 400/450, Rubicon 500, and Rincon 650. It notes a 12″ steel wheel requirement and that OEM aluminum wheels are not recommended. The kit emphasizes high-quality materials, strict quality control, improved braking performance, and shorter stopping distances for enhanced off-road safety.
Buying Guide: Key Considerations And Comparisons
- Wheel compatibility: Many Honda ATV kits require 12″ wheels or larger and explicitly exclude OEM aluminum wheels. Confirm your wheel type before purchasing.
- Vehicle fitment: Double-check model years and exact models supported (TRX300/TRX350/TRX400/TRX450/TRX500/TRX650, Foreman, Rancher, Rincon, Rubicon, etc.). A wrong fit can lead to improper braking performance or installation challenges.
- Front vs rear applications: Some kits upgrade front discs, others retrofit rear discs. Determine whether you need a front-only upgrade, a rear upgrade, or a complete system for balanced braking.
- Installation complexity: Kits vary in required modifications. Some are “no modifications” installs, while others may require spindle, hub, or minor wiring adjustments. Read instructions carefully.
- Included components: Look for complete kits (rotors, calipers, brackets, pads, lines, bearings, hardware). Some listings include extra hardware; others may require purchasing additional items separately.
- Material and durability: Higher-quality rotors and calipers improve long-term reliability, heat management, and stopping power under load. Material specs can influence performance in wet or dusty conditions.
- Vehicle safety and legal considerations: Ensure compatibility with your state’s vehicle regulations if you’re using the upgraded setup on public roads or trails—especially for older or classic GM vehicles and Jeeps.
- Maintenance and compatibility with wheels: If you plan to upgrade or switch wheel types later, verify whether the kit remains compatible with different wheel configurations or sizes.
Across the options, buyers should evaluate whether a kit is best for a dedicated ATV upgrade (Honda models) or if a broader automotive kit (GM or Jeep applications) better suits their project. Consider your primary use, whether off-road endurance, trail riding, or general restoration, to select a kit with suitable rotor size, caliper type, and installation ease.