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GR40 Spindle and Hub

New Product Release Ready for Shipping!!!
Billet Aluminum Modular Spindle and Hub Assembly

Griggs Racing announces a new Billet Aluminum Modular Spindle and Hub Assembly designed for use on Kit cars, street rods, GR350 vintage and GR40 late model Mustangs and street cars.

GR40 Spindle

  • Several new features never offered in a spindle before are incorporated in the design, and patents are pending. Using a large, serviceable Timken double roller bearing, the entire assembly is lighter and far more rigid than an OEM SN95 or SN197 spindle/hub assembly, improving brake performance, cornering power and steering accuracy. Test results indicate 4 to 5 times stronger than OEM spindles and hubs.
  • 2" drop and overall design allows use on SLA systems with upper ball joint inside wheel, allowing wider front tires. .
  • Current configurations fit all 79-07 GR40 SLA Mustangs, 64? -70 GR350, Factory 5 Cobras and similar applications

  • Currently available with 8.7 degree KPA and 10 inch length upper and lower ball joint design, and soon to fit late model Mustang strut systems, the modular design of the spindle accommodates many different configurations and vehicle usage as well as ease of repair. Talk to us about your needs.

    The included hat is integral with the hub to retain the Bearing. Also available are stainless steel brake brackets, hats and floating rotors for Griggs Racing Brakes and other popular brands. Each component of every assembly is beautifully clear anodized for corrosion resistance, and serialized to assist time management for servicing assemblies used on race vehicles.

    GR40 Spindle

    GR40 Spindle

    Fully FEA'd, thermal engineered,
    and Track Tested To Victory
    in The American Iron Series.

    Contact Griggs Racing:
    707-939-2244 or email

    Download Printable Flyer
    (PDF format, Free Adobe Reader Required)


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