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Basic Disc Brake Kit, 1969-77 GM Caliper to Ford Spindle, 5 on 4-3/4

SAME DAY SHIPPING! Most orders ship within 24 hours.

Specs
Material Type:
Steel
Sold in Quantity:
Kit
Finish:
Zinc
Hardware Included:
Yes
Garage Sale:
No
Centerline of Holes:
7.00
Material Thickness:
.31
Notes
Includes brackets, hardware, seals, inner bearing cups and cones, and spacers.
Basic Disc Brake Kit, 1969-77 GM Caliper to Ford Spindle, 5 on 4-3/4
Basic Disc Brake Kit, 1969-77 GM Caliper to Ford Spindle, 5 on 4-3/4
Basic Disc Brake Kit, 1969-77 GM Caliper to Ford Spindle, 5 on 4-3/4

Click image to enlarge

Please NOTE the following about this product:

  • This item is sold as a kit.

Details

Reviews

Q & A

What's in the Box

This basic front disc brake conversion kit allows you to mount 1969-72 GM mid-size rotors (5 on 4-3/4" wheel bolt pattern) and 1969-77 GM mid-size calipers on your 1937-48 Ford passenger car style spindles. No machine work needed. Bracket is zinc plated.  

Kit Includes:

  • 1969-1972 GM to Ford brake brackets
  • Hardware
  • Bearing and seal adapters
  • Seals
  • Inner bearing cups
  • Inner bearing cones
  • Spacers
  • Instructions
  • Does not include dust caps, washers or spindle nuts

916-31903 Instructions (PDF)

Item Details

'''69-''72 GM rotor/caliper to early Ford spindles'

Customer Reviews

Rated 4.4 out of 5 by 5 reviewers.
RATING BREAKDOWN
5 reviews
5 Stars
3
4 Stars
1
3 Stars
1
2 Stars
0
1 Star
0
RECOMMEND THIS PRODUCT:

Bajita
Verified Purchaser
Laredo,Texas, usa

This kits helps our street rod be safe w

October 28, 2014
We will keep getting items from speedway for our project pickup.
Pros:
  • i recommend this kit.
Yes, I recommend this product.
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Was this review helpful? 0 0

30ModelA
Verified Purchaser
AZ

This is as pictured.

May 21, 2014
This is just what I needed for my 1930 model A, but needed some adjustments on one plate, and to fit the calipers from a 74 Chevy, I opened the ends by 100 thousands on each plate (50 thousands each side).
Pros:
  • Great product
Cons:
  • if you have to adjust then remember to paint.
Yes, I recommend this product.
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Was this review helpful? 0 0

Nut
Verified Purchaser
USA

Brake Kit

November 19, 2011
Instructions are misleading, should state use Chevelle rotor
Pros:
  • Quantum Physics Tutor
Yes, I recommend this product.
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Baba Lou Cat Killers CC
Verified Purchaser
Riverside, Ca

Good Product

June 04, 2011
They work Great but you do have to modify the spindle a bit.
Pros:
  • Easy To Install
  • Decreased Stopping Distance
Yes, I recommend this product.
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Was this review helpful? 0 0

Baba Lou Cat Killers CC
Verified Purchaser
Riverside, Ca

Good Product

June 04, 2011
They work Great but you do have to modify the spindle a bit.
Pros:
  • Decreased Stopping Distance
  • Easy To Install
Yes, I recommend this product.
Full Size Image

Was this review helpful? 0 0

Page 1 of 1

Product Q&A

2 questions : 3 answers

2 answers

Will this bracket work with the calipers and rotor from your 91031909 kit? I bought that kit for the rotor bolt pattern but I would like to use this bracket instead of the one supplied.

Jake
Arizona
October 08, 2011

Will this bracket work with the calipers and rotor from your 91031909 kit? I bought that kit for the rotor bolt pattern but I would like to use this bracket instead of the one supplied.

Answers

October 29, 2014
Bajita
Yes this kit and bracket is all you need.
October 11, 2011
John
Part number 91631903 This basic kit is designed to be used with the early 69-77 midsize caliper and 11” rotors. The 5 ½” bolt pattern kit number 91031909 uses an 11 ¾” rotor and the early Impala calipers. Parts will not interchange and work properly without extensive modification and machine work.
1 answers

What is the hole measurement from center to center where the bracket mounts to the ford spindle.

Max Marty
Amherst, NY
March 25, 2011

What is the hole measurement from center to center where the bracket mounts to the ford spindle.

Answers

March 30, 2011
Shane
The bolt pattern is 3 3/8" center to center.
Page 1 of 1

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Disc Brake Kit, 1969-77 GM Caliper to Early Ford Spindle, 5 on 4-3/4In
(Part #91031942)
                        

Easily installs 11" rotors and the 1969-77 GM midsize calipers to your 1937-48 Ford passenger car 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 Chevy bolt pattern 5 on 4-3/4".

910-31942 Instructions (PDF)

Item Details

'11" rotor w/ ''69-''77 GM caliper to early Ford spindles'
Speedway 1928-1948 Ford Forged Spindles Only
(Part #91632104)
                        

These Speedway spindles are a one piece, drop forged design constructed of high strength 4140 steel, which makes them superior to original components. These spindles are modeled after the '37-'41 round-back design and use '37-'41 Ford kingpins. They  fit Ford axles from '28-'48 and can be used with period correct drum brakes or modern Speedway Motors disc brakes, but will not work with hubs from '28-'36.

  • Uses 1937-1941 kingpin kit
  • For Ford axles 1928-1948
  • Will not work with 1928-1936 Hubs

Be sure to include our kingpin kit (91032121) with these spindles.

Spindles also available in kit form with Standard or Deluxe kingpins.

Spindle Identification Guide (GIF)

910-32121 Instructions (PDF)

910-32122 Instructions (PDF)

Wilwood 120-10936 D52 Dual Piston Floater Caliper, 2 Piston/1.28 Disc
(Part #83512010936)
                        The D52 caliper is a direct bolt-on 2 piston replacement for the factory original single calipers on many 1968-96 GM Passenger Vehicles and Trucks. Forged billet aluminum bodies, stainless steel pistons, and competition style high-temperature seals put and end to the rust, bore pitting, and seal failures that plague the OE caliper design. D52 calipers provide low-maintenance performance and a huge weight savings with high temperature reliability for the street and track. D52 calipers mount in the stock location over stock rotors, use the original style OE D52 brake pads and an OE 7/16-20 banjo bolt brake line. Calipers can be used with most wheels that clear the OE calipers. The front calipers with 2.00 piston provide 6.28 cubic inches of piston area per caliper, to maintain the original front to rear brake bias and use of the OE master cylinder. D52 Calipers come hardened slide pins.
                    
Wilwood 120-10936-BK D52 Dual Piston Floater Brake Caliper, Black
(Part #83512010936BK)
                        The D52 caliper is a direct bolt-on 2 piston replacement for the factory original single calipers on many 1968-96 GM Passenger Vehicles and Trucks. Forged billet aluminum bodies, stainless steel pistons, and competition style high-temperature seals put and end to the rust, bore pitting, and seal failures that plague the OE caliper design. D52 calipers provide low-maintenance performance and a huge weight savings with high temperature reliability for the street and track. D52 calipers mount in the stock location over stock rotors, use the original style OE D52 brake pads and an OE 7/16-20 banjo bolt brake line. Calipers can be used with most wheels that clear the OE calipers. The front calipers with 2.00 piston provide 6.28 cubic inches of piston area per caliper, to maintain the original front to rear brake bias and use of the OE master cylinder. D52 Calipers come hardened slide pins.
                    
Wilwood 120-10936-RD D52 Dual Piston Floater Caliper, 2.00 / 1.28 Inch
(Part #83512010936RD)
                        The D52 caliper is a direct bolt-on 2 piston replacement for the factory original single calipers on many 1968-96 GM Passenger Vehicles and Trucks. Forged billet aluminum bodies, stainless steel pistons, and competition style high-temperature seals put and end to the rust, bore pitting, and seal failures that plague the OE caliper design. D52 calipers provide low-maintenance performance and a huge weight savings with high temperature reliability for the street and track. D52 calipers mount in the stock location over stock rotors, use the original style OE D52 brake pads and an OE 7/16-20 banjo bolt brake line. Calipers can be used with most wheels that clear the OE calipers. The front calipers with 2.00 piston provide 6.28 cubic inches of piston area per caliper, to maintain the original front to rear brake bias and use of the OE master cylinder. D52 Calipers come hardened slide pins.
                    
Wilwood 120-10937 D52 Dual Piston Floater Caliper, 2 Piston/1.04 Disc
(Part #83512010937)
                        The D52 caliper is a direct bolt-on 2 piston replacement for the factory original single calipers on many 1968-96 GM Passenger Vehicles and Trucks. Forged billet aluminum bodies, stainless steel pistons, and competition style high-temperature seals put and end to the rust, bore pitting, and seal failures that plague the OE caliper design. D52 calipers provide low-maintenance performance and a huge weight savings with high temperature reliability for the street and track. D52 calipers mount in the stock location over stock rotors, use the original style OE D52 brake pads and an OE 7/16-20 banjo bolt brake line. Calipers can be used with most wheels that clear the OE calipers. The front calipers with 2.00 piston provide 6.28 cubic inches of piston area per caliper, to maintain the original front to rear brake bias and use of the OE master cylinder. D52 Calipers come hardened slide pins.
                    
Wilwood 120-10937-BK D52 Dual Piston Floater Brake Caliper, Black
(Part #83512010937BK)
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Wilwood 120-10937-RD D52 Dual Piston Floater Caliper, 2.00 / 1.04 Inch
(Part #83512010937RD)
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1969-1972 GM Midsize 11 Inch Brake Rotor, 5 on 4 3/4 Inch
(Part #91065390)
                        

We stock those hard-to-find replacement brake rotors for your 1969-1972 GM midsize car. These rotors are specifically designed for the rigors of dirt track racing.  Drilled with a 5-on-4.75" bolt circle. Includes 7/16" fine quick-start wheel studs (installed).

  • 1969-1972 GM Midsize
  • 11 Inch Brake Rotor
  • 5 on 4-3/4 Inch
  • 7/16" fine studs installed
  • 11" diameter x 1"
  • IMCA Approved

This rotor is designed for dirt track applications and should NOT be used for asphalt racing.

 

 

IMCA 1969-77 Midsize Standard Stock GM Caliper, RH
(Part #91031035-R)
                        Rebuilt 1969-77 mid and full size caliper. 7/16"-20 inlet so you can use the readily available brake hoses and hardware from Pre-1978 GM midsize cars. IMCA approved. 

No core charge required. Fits 1" thick rotor. 2.8" diameter pistons installed. It has 7-1/16" center to center mounting holes. The width between mounting tabs is 2-3/4".

Item Details

7/16"-20 Inlet