Enhanced Braking Power: Upgrade your Mustang II to superior braking with 11" rotors paired with powerful single piston GM metric floating calipers, significantly improving stopping performance over the stock 9 1/4" rotors., Easy Installation: This complete brake kit offers a simple bolt-on conversion that requires no machining, complete with detailed instructions, making it accessible for both professionals and DIY enthusiasts., Comprehensive Kit Components: Includes everything needed for a full upgrade—new rotors, calipers, rubber brake hoses, brackets, bearings, seals, pads, and all necessary hardware., Vehicle Compatibility: Specifically designed for '74-'80 Ford Pinto or Bobcat and '74-'78 Mustang II spindles, ensuring a perfect fit and optimal function for these vehicle models., Wheel Mustang II Complete 11 Inch Brake Kit, Ford 5 x 4-1/2 Bolt Pattern Sku # 91031944 Mfr. Part # 91031944 Condition New Brand Speedway Motors Sold Kit Details Info Upgrade your Mustang II based suspension from the stock 9-1/4" rotors to our 11" rotors with powerful single piston GM metric floating calipers. This simple bolt-on conversion requires no machining. For use on 1974-80 Pinto, Bobcat and Mustang II spindles.
Features a 5 on 4-1/2" Ford/Mopar wheel bolt pattern (increases track width 1/2" per side). Includes two 16" front brake hoses and 7/16"-20 banjo bolts with crush washers.
Note: 14" wheels will require clearance to be checked as not all 14" wheels will clear caliper
Charts
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Specs Sold in Quantity Kit Bolt Pattern 5 on 4.5" Finish Natural Rotor Diameter 11 Inch Caliper Finish Natural Rotor Shape Round Color Natural Notes Includes rotors, bearings and seals, calipers, pads, brake hoses, brake tabs, and caliper brackets. Thread Pitch 1/2"-20 Hardware Included Yes Parking Brake Provision No Centerline of Holes 5.50 Stud Length 1.29 Stud Diameter .50 Rotor Thickness .88 Position Front Front Caliper Finish Natural Front Rotor Included Yes Front Caliper Included Yes Rear Rotor Included No Rear Caliper Included No Front Spindles Included No Master Cylinder Included No Brake Booster Included No Rotor Type Vented Rotor Material Type Cast Iron MFG. Part # 91031944 Caliper Pistons One Front Caliper Piston Quantity 1 Front Rotor Diameter 11 Inch Reviews Great Brake Upgrade Rated by Bruce on October 11, 2021
Summary: Going in a V-8 Pinto. Brake size should be adequate for a 2000 lb car, The upgrade gives you 5 lug rotors, everything is a bolt-on - no fab, welding or machining required (saves time!), the parts appear to be high quality, and all for a fraction of the cost of fancy aftermarket brakes... Very pleased
Yes, I recommend this product.
I would buy again Rated by RR1955 on July 12, 2021
Summary: Upgraded brakes
Yes, I recommend this product.
Nice kit Rated by Cobra on June 25, 2021
Summary: I have used this kit several times and I am very happy with the ease of install. Please keep it available.
Yes, I recommend this product.
Great Design Rated by Rusty coupe on June 09, 2021
Summary: Fairly simple to figure out. Lay the parts out and go from there.
Yes, I recommend this product.
Perfect product easy to mount Rated by Aurora Cob on May 08, 2021
Summary: Everything is in the kit and products are of good quality. Easy to mount even on a fourty years old Aurora GRX. And it brakes !
Yes, I recommend this product.
Related Items / Suggested Parts Pinto-Mustang II Spindle Nut & Washer Kit Mustang II Complete 11 In Front Disc Brake Kit, 5 on 4-3/4, Granada Coil Over IFS Front Suspension Kit Without Brakes Mustang II IFS Front Suspension Kits Without Brakes Wilwood 290-0632 570 Brake Fluid, 12 oz Bottle Redline 80402 CV-2 Synthetic Grease 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 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.
