Help is just a click away!
Click here to chat with a Speedway Team Member
‚úĖ
ūüí¨
Online - Chat with us!
Chat
Products to Compare (max of 3)
X
Compare These Parts
Talk to the Experts. Call 800.979.0122, 7am-10pm, everyday.
Customer Service
Since 1952
in
in
  • Expert Tech Support
  • Huge Inventory
  • Fast Shipping
Talk to the Experts. Call 800.979.0122
Shop By
Support
Account
Street Race Truck More... The Toolbox
Add to Cart
$299.99
Disc Brake Kit, 1978-88 GM Caliper to Early Ford Spindle, 5 on 4-1/2In
Disc Brake Kit, 1978-88 GM Caliper to Early Ford Spindle, 5 on 4-1/2In

Disc Brake Kit, 1978-88 GM Caliper to Early Ford Spindle, 5 on 4-1/2In

Front Position, 5 on 4.5" Bolt Pattern, 11 Inch Rotor Diameter, Vented Rotor Type, Natural

58 Reviews | 49 Answered Questions
In Stock
Ships FREE
Select your vehicle to verify fitment.
Select Vehicle
Disc Brake Kit, 1978-88 GM Caliper to Early Ford Spindle, 5 on 4-1/2In
Disc Brake Kit, 1978-88 GM Caliper to Early Ford Spindle, 5 on 4-1/2In
Zoomed In Image
Part # 91031945
$299.99
kit
Quantity:
Add to Cart
Call to Order
Add to Buildlist
Compare

Details
What's In The Kit
Reviews
Q&A
Videos & Articles

Important Messages:

  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.

Build Your Kit

You're almost there! This kit has an option or two for you to select. Let us know which options you want for your new kit.
Next
Add to Cart

Details

Position:
Front
Bolt Pattern:
5 on 4.5"
Rotor Diameter:
11 Inch
Rotor Type:
Vented
Caliper Pistons:
Single
Caliper Finish:
Natural
MFG. Part #:
91031945
Rotor Thickness:
1.00"
Rotor Shape:
Round
Stud Diameter:
.50"
Stud Length:
1.50"
Thread Pitch:
1/2"-20
Centerline of Holes:
5.50"
Finish:
Natural
Hardware Included:
Yes
Sold in Quantity:
Kit
Notes:
Includes rotors, bearings and seals, calipers, pads, brake hoses, brake tabs, and caliper brackets.
Rotor Material Type:
Cast Iron

Info

Easily installs 11" rotors and the 1978-up GM Metric calipers to your 1937-48 Ford passenger car and 1937-47 1/2 ton Ford spindles. No machine work needed. This kit works well with bolt-on steering arms. The 11" rotor brake kits are great for street rods based on 1932-48 Fords. Uses Ford/Mopar wheel bolt pattern of 5 on 4-1/2".

910-31945 Instructions (PDF)

Item Details

11" Rotor and 1978-Up GM Caliper to Early Ford Spindles

Notes

Installation Note:  If utilizing the later Ford 'Square Back' style spindle, it will require minimal modification (removal of approximately 1/8" of material from the spindle) to clearance the caliper bracket.  The early Ford style 'Round Back' spindle will not require this additional modification.  Due to the numerous types of bolt arm steering arms that can be utilized, installer provided steering arm bolts applicable to the specific steering arms may be required as provided by installer.

Some parts are not legal for use in California or other states with similar laws/regulations

Related Products

What's In The Kit

Each kit from Speedway Motors is carefully packaged and delivered right to your door. Below is a list of all the items you should expect to receive when you order this kit. Some of these items may also be available for sale individually if you're here looking for replacement parts.
  • 11 Inch GM Brake Rotor with Ford Bolt Pattern
    Qty x 2
  • Speedway Soft Street Brake Pads, GM Metric 1978-UP
    Qty x 1
  • IMCA Approved 1978-88 GM Metric LH Brake Caliper, 7/16-20 Inlet
    Qty x 1
  • IMCA Approved 1978-88 GM Metric RH Brake Caliper, 7/16-20 Inlet
    Qty x 1
  • Basic Brake Kit 1978-88 GM Caliper to Early Ford Spindles
    Qty x 1
  • Cone-Outer Whl Bearing
    Qty x 2
  • Bolt Kit for 1937-48 Ford Spindle Flat Steering Arms
    Qty x 1
  • 1937-1948 Ford Spindle Castle Nuts
    Qty x 1
  • Front Disc Brake Hardware Kit
    Qty x 1

More Like This

Reviews

Q & A

Videos & Articles

You May Also Like

Suggestions
Error
Note
Ok