Range Industries
1961-1978 34" F-100 Bolt-In S-550 / S-650 Mustang Rear Mounting Kit
1961-1978 34" F-100 Bolt-In S-550 / S-650 Mustang Rear Mounting Kit
5.0 / 5.0
(10) 10 total reviews
In stock
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This kit is designed to allow the S-550 / S-650 suspension to bolt to a F-100 (34" wide rear frame) using the factory subframe mounts on the 2015-2023 Mustang S-550 and 2024+ S-650 rear suspension. It also integrates mounts for a 12” coil-over. This setup allows for an unmodified bed and much lower than stock ride height, as well as modern, brakes, suspension, and a limited slip differential. The kit uses the leaf spring bracket holes to locate the assembly (be careful not to mangle the holes when you are removing the factory rivets!) and bolts to the side and bottom of the frame rails. A small notch in the bottom flange of the frame rail is the only cutting you need to do (to clear the upper arm). You will need to drill some holes for installation, but the brackets act as templates to keep the install simple and straight forward.
Kit contains all mounting brackets and hardware required to mount the 2014-2023 Mustang S-550 and 2024+ S-650 rear subframe to your F-100 frame. Coil-overs not included in kit.
Application:
1961-1978 34" F-100 S-550 / S-650 Mustang
What's Included:
- 2 Pair of Subframe Mounting Brackets
- 1 Pair of Shock Mounting Brackets
- 1 Pair of Sway Bar Spacers
- Associated Mounting Hardware
What You Will Need:
- 12” coil-over
Fitment Notes:
- 17" wheel minimum required for brake clearance. Modern offset wheels, such as Mustang, are suggested
- Kit contains all mounting brackets and hardware required to mount the 2014-2023 Mustang S-550 and 2024+ S-650 rear subframe to your F-100 frame. Coil-overs not included in kit.
- Ride height is designed to match a crown vic front (Approx 4" drop with 12 in eye to eye coilover).
- Wheel Mounting Surface for S550 subframe width 67.5" (rotor face to rotor face)
- GT350 / GT500 Subframes utilize a different shock mount requiring a different bar pin adapter. Contact us via email on our contact us page for this product.
Need a yoke to run a normal driveshaft with the S550 Rear Suspension? Click the link below!
- Range Industries S550 Driveshaft Yoke -
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Install Instructions
Install Instructions
Click to view our Installation Guides here > "Range Industries Installation Guides"

Great
Great Products always great fittmnet
Hello just picked up the mustang S550 rearend and subframe yesterday so far everything looks good. I will start removal of the existing rearend and leaf springs next week. I did ask if you had recommendations for coil overs and have not heard back. I will be basically doing a rebuild on the subframe and rearend components. I get pretty excited about how simple this really is to install. The removal of the existing rivets is the hardest part but, that's when steel was really American steel.
Thanks
Steve Morgan
Very nice fabrication on the kit .
Perfect! We'll engineered, built and coated!
About Range Industries Products
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Crafted with precision and pride right here in San Diego, California, our products are all proudly 'Made in the USA.' Each item embodies the essence of American craftsmanship, reflecting a rich heritage of innovation and quality. From sturdy offroad equipment to intricate restorations, our diverse range of products exemplifies the ingenuity and dedication of American manufacturers. With a commitment to excellence, we adhere to strict standards of quality control, ensuring that every product meets or exceeds customer expectations. Range Industries Made in the USA products are built to last, embodying the spirit of American resilience and determination.
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