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$259.99
Weld-On Rear Disc Brake Kit, 1969-77 GM Caliper, 1.96 Inch Backspace
Weld-On Rear Disc Brake Kit, 1969-77 GM Caliper, 1.96 Inch Backspace

Weld-On Rear Disc Brake Kit, 1969-77 GM Caliper, 1.96 Inch Backspace

Universal Fit, Rear Position, Multi: 5 on 4.5" | 4.75" | 5" Bolt Pattern, Vented Rotor Type

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Weld-On Rear Disc Brake Kit, 1969-77 GM Caliper, 1.96 Inch Backspace
Weld-On Rear Disc Brake Kit, 1969-77 GM Caliper, 1.96 Inch Backspace
Weld-On Rear Disc Brake Kit, 1969-77 GM Caliper, 1.96 Inch Backspace
Weld-On Rear Disc Brake Kit, 1969-77 GM Caliper, 1.96 Inch Backspace
Weld-On Rear Disc Brake Kit, 1969-77 GM Caliper, 1.96 Inch Backspace
Weld-On Rear Disc Brake Kit, 1969-77 GM Caliper, 1.96 Inch Backspace
Weld-On Rear Disc Brake Kit, 1969-77 GM Caliper, 1.96 Inch Backspace
Weld-On Rear Disc Brake Kit, 1969-77 GM Caliper, 1.96 Inch Backspace
Weld-On Rear Disc Brake Kit, 1969-77 GM Caliper, 1.96 Inch Backspace
Weld-On Rear Disc Brake Kit, 1969-77 GM Caliper, 1.96 Inch Backspace
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Weld-On Rear Disc Brake Kit, 1969-77 GM Caliper, 1.96 Inch Backspace
Weld-On Rear Disc Brake Kit, 1969-77 GM Caliper, 1.96 Inch Backspace
Weld-On Rear Disc Brake Kit, 1969-77 GM Caliper, 1.96 Inch Backspace
Weld-On Rear Disc Brake Kit, 1969-77 GM Caliper, 1.96 Inch Backspace
Weld-On Rear Disc Brake Kit, 1969-77 GM Caliper, 1.96 Inch Backspace
Weld-On Rear Disc Brake Kit, 1969-77 GM Caliper, 1.96 Inch Backspace
Weld-On Rear Disc Brake Kit, 1969-77 GM Caliper, 1.96 Inch Backspace
Weld-On Rear Disc Brake Kit, 1969-77 GM Caliper, 1.96 Inch Backspace
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Part # 91031935
$259.99
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  • Replace those old drum rear brakes with modern disc brakes using this universal weld on disc brake kit
  • Features '69-'77 GM calipers with massive 2.75" piston size to provide incredible stopping power
  • 11.75" OD vented rotors which are .81" thick ensure cool operation for fade free braking performance
  • This complete kit includes calipers, rotors, brake pads, brake hats, caliper slide bolts, and caliper brackets
  • The 1.96" offset CNC machined aluminum brake hat accommodates 5 on 4-1/2, 4-3/4", and 5 on 5" bolt circles

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Details

Position:
Rear
Bolt Pattern:
Multi: 5 on 4.5" | 4.75" | 5"
Rotor Diameter:
11.75 Inch
Rotor Type:
Vented
Caliper Pistons:
Single
Caliper Finish:
Natural
Parking Brake Provision:
No
MFG. Part #:
91031935
Rotor Hat Bolt Pattern:
8 x 7.00"
Rotor Thickness:
.81"
Rotor Shape:
Round
Rotor Backspace:
1.96"
Thread Pitch:
7/16"-20
Centerline of Holes:
7.00"
Finish:
Natural
Hardware Included:
Yes
Sold in Quantity:
Kit
Notes:
Includes rotors, rotor hats, caliper brackets, calipers, pads, and hardware.
Rotor Material Type:
Cast Iron

Info

Replace those old drum brakes with modern rear disc brakes. Mounts .81" x 11-3/4" Pro-lite vented iron rotors and calipers to 3" tube rear end.  Complete with rotors, hats, calipers (7/16"-20 inlets), brackets, brake pads, caliper brackets and slider bolts. 

Wilwood aluminum hats fits 5 lug hubs with 4-1/2", 4-3/4", or 5" bolt circle.

Notes

Brake pad and caliper installation note:  

This bracket features a 90 degree bend in the bracket at the slider bolt threaded area for additional caliper support.  This part of the bracket may or may not interfere with the corner of the inner brake pad backing plate due to differences in brake pad manufacturers.  When this occurs, it will be necessary to simply remove a minimal amount of backing plate material at each corner of the inner brake pad to allow for the necessary clearance between the bracket and brake pad when the caliper and pads are fully installed.

Specs

  • Caliper Brackets (2)
    • Weld onto a 3" axle tube
  • Rotors (2)
    • GM-style .81" x 11-3/4", 8 on 7" bolt pattern
    • Straight vanes, 8 lbs. each
  • Rotor Hats (2)
    • Machined aluminum, 1.96" offset
    • 3.06" center hole, 6-3/8 I.D., 1/2" stud holes, 1.6 lbs.
  • Rotor Bolt and Nut Kit (2)
  • Caliper Slider Bolts (4)
  • Brake Pads (2 sets)
    • Street compound, little metallic, long rotor and pad life
  • Calipers - 1969-77 GM Midsize (L & R)
    • 7/16"-20 inlet
    • Cast iron body, 2.8" single piston

Charts

910-31935 Instructions (PDF)

Important Messages:

  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
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.
  • IMCA 1969-77 Midsize Standard Stock GM Caliper, LH
    Qty x 1
  • IMCA 1969-77 Midsize Standard Stock GM Caliper, RH
    Qty x 1
  • Speedway Pro-Lite Vented Brake Rotor, 11.75 x .81 Inch
    Qty x 2
  • Wilwood 170-0208 Rear Brake Drag Hat, 1.96 Inch Offset, Multi-5 Lug
    Qty x 2
  • Rotor Bolt Set - 5/16 x 3/4, Bolt Only
    Qty x 2
  • Weld-On 1969-77 GM Mid-size Caliper Bracket
    Qty x 2
  • Speedway GM Brake Caliper Slider Slide Bolt
    Qty x 4
  • Speedway 156 1969-77 GM Mid-Size Brake Pads
    Qty x 2
  • Instruct Sheet-Brake Kit
    Qty x 1

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