Description: Complete Rear Disc Brake Conversion Kit Includes: 11" GM Rotors Multi Pattern. Fits 5x4.75" w/ 7/16 Studs & 5x4.5" w/ 1/2 Studs. Large GM Calipers w/ Self Adjusting E-Brake (1979 Cadillac El Dorado) D54 Pads Included. Caliper Brackets & Spacers. Bracket Hardware. Flex Hoses & Clips. Emergency Brake Cables. Tech Notes: Does not fit S-10 Chassis or truck frames. Maximum diameter of 6.11" to fit rotor hat. Rotor Center = 2-3/4" - Rotor Hat Section Inside Diameter = 6-1/8" You will need to modify your axles if they will not fit inside the rotor hat and you will need to modify the rotor if the center hole is too small for your axles. .050x45 Degree Chamfer. 2.786" max register axle. Does not fit 14" rims, must use 15" or larger Speedway 1955-64 Full-Size Chevy Rear Disc Brake Conversion Kit Sku # 91664091 Mfr. Part # 91664091 Condition New Brand Speedway Motors Sold Kit Details Info Complete Rear Disc Brake Conversion Kit Includes: 11" GM Rotors Multi Pattern Fits 5x4.75" w/ 7/16 Studs & 5x4.5" w/ 1/2 Studs Large GM Calipers w/ Self Adjusting E-Brake (1979 Cadillac El Dorado) D54 Pads Included Caliper Brackets & Spacers Bracket Hardware Flex Hoses & Clips Emergency Brake Cables Tech Notes: Does not fit S-10 Chassis or truck frames Maximum diameter of 6.11" to fit rotor hat. Rotor Center = 2-3/4" - Rotor Hat Section Inside Diameter = 6-1/8" You will need to modify your axles if they will not fit inside the rotor hat and you will need to modify the rotor if the center hole is too small for your axles. .050x45 Degree Chamfer 2.786" max register axle Does not fit 14" rims, must use 15" or larger When installing rear disc brake kit a disc/disc proportioning valve with a 1-1/8" bore master cylinder will be needed. This kit will push your wheels out an additional .125” per side, longer wheel studs may be required after installation of this kit *Note: The emergency brake cables provided in the kit will fit 55 - 64 Full Size Chevrolet. Any other application will require the customer to modify the included cables to work with their application. The intermediate cable, center pull and cable couplers may not be necessary on 58 – 64 cars. Installation Tips This kit is an aftermarket solution. It is not intended to be a direct installation or OEM replacement. Due to changes in production in certain years, your application may require modifications beyond the instructions for this kit to install properly. If your axle shaft flange or axle shaft register exceeds the diameter that clears the rotor dimensions, you will need to machine the axle flange and/or the rotor to clear the diameter required. Specs Sold in Quantity Kit Rotor Diameter 11 Inch Minimum Recommended Wheel Diameter 15 Inch Caliper Finish Natural Rotor Shape Round Rotor Style Plain Face Color Natural Hardware Included Yes Parking Brake Provision Yes Mounting Bracket Included Yes Rotor Thickness 1 Position Rear Brake Lines Included No Front Caliper Finish Natural Rear Rotor Included Yes Front Spindles Included No Master Cylinder Included No Brake Booster Included No Brake Hose Material Rubber Brake Hoses Included Yes Front Caliper Included No Front Rotor Included No Rear Caliper Included Yes Rotor Type Vented Bolt Pattern 5 on 4.5" | 4.75" Caliper Pistons One Parking Brake Cables Included Yes GTIN Code 635648180359 MFG. Part # 91664091 Rotor Drum I.D. 6.1875 Rotor I.D. 2.75 Track Width Increase .250 Front Caliper Piston Quantity 1 Front Rotor Diameter 11 Inch Reviews Yes Rated by Deano on August 25, 2021 Summary: Dont have anything negative about the product Cons: Little modifications Pros: Easy installation Yes, I recommend this product. Tech Support We're here to help before and after your purchase. If you have a question or need assistance with one of our products, please contact us through eBay Messaging and a knowledgeable Speedway Motors team member will be happy to help. About Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 72 years. Founded in 1952 by “Speedy” Bill Smith – a racer and street rodder himself – Speedway has grown from a one-man operation to become the world’s largest manufacturer, distributor and retailer of street rod and racing products. Our industry-leading fast delivery is the result of same-day shipping from our state-of-the-art, centrally located 500,000 sq. ft. headquarters. Speedway’s size offers customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in the rodding and racing industries.
Price: 549.99 USD
Location: Lincoln, Nebraska
End Time: 2025-01-12T13:14:12.000Z
Shipping Cost: 0 USD
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Item Specifics
Return shipping will be paid by: Buyer
Returns Accepted: Returns Accepted
Item must be returned within: 60 Days
Refund will be given as: Money Back
Return policy details:
Brand: Speedway Motors
Placement on Vehicle: Rear
Rotor Style: Solid
Type: Disc Brake Kits
Manufacturer Part Number: 91664091
Item Height: 14.200
Item Length: 15.50
California Prop 65 Warning: True