1975–1987 Chevy/GMC 1500 4WD Direct-Fit Big Brake Front Drum-to-Disc Brake Conversion Kit with Rotors – A126-18
Convert your 1975-1987 Chevy/GMC 1500 4WD front drums with an SSBC-USA big brake front disc conversion kit built for improved stopping confidence on classic GM trucks and SUVs.
- Fits select 1975-1987 Chevrolet/GMC 1500 4WD truck and SUV applications
- Includes front cast iron calipers, 12-inch front rotors, performance brake pads, and required hardware
- Designed to bolt to compatible stock front axle applications
- Fits many 15-inch wheels, but wheel clearance must be verified before ordering
- Built as a front drum-to-disc big brake conversion kit
Verify axle, wheel, and brake system configuration before ordering. For fitment questions, call SSBC-USA tech support at 716-775-6700.
✔ Fitment Confidence: Not sure whether this product is correct for your vehicle or current brake setup? Call our tech team at (716) 775-6700 before ordering so we can help confirm the correct application.
🚚 Shipping: This item is configured to order at our Elma, NY facility — production and configuration typically take 5–10 business days. Supply constraints can occasionally cause temporary delays beyond this window. Need an update on your order? Contact us at (716) 775-6700 or orders@ssbc-usa.com with your order number and we'll get you an answer right away. Your exact shipping cost is calculated at checkout based on your address.
Frequently Asked Questions
How do I confirm this brake kit fits my vehicle?
Review the fitment details and Fitment Confidence section above. Model year, drivetrain, axle or hub configuration, rotor dimensions, parking-brake style, and wheel clearance can affect fitment. If any part of your setup is uncertain, call the SSBC-USA technical team at (716) 775-6700 before ordering.
What is included with this kit?
Use the Product Details, Key Features, or What's Included information above for the exact components supplied with this part number. Package contents vary by application and configuration.
Should wheel clearance be checked before ordering?
Yes. Brake-kit clearance depends on the specific wheel diameter, spoke profile, and offset. Confirm the clearance requirements for your application before ordering.
How long does this product take to ship?
This product is configured to order at the SSBC-USA facility in Elma, New York. Production and configuration typically take 5–10 business days, although temporary supply constraints can occasionally extend that timeframe.