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Founder, 1929-2014
Speedy Bill
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Shop Muscle Brakes At Speedway Motors

Speedway Motors is the #1 authority on disc brakes conversion kits. With the most experience in the American muscle car business, you can be assured that you are getting a quality and precise fitting kit. Insist on a Speedway front disc brake conversion kit for your classic Chevy, Ford or Mopar muscle car. Don't forget to check out our huge selection of dropped spindles, master cylinders, flaring tools and proportioning valves. Stock up on all the essential brake lines, brake rotors, brake pads and fittings, too!

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  • Lokar XBAG-6078 Midnight Series 55-57 Chevy Power Brake Pad w/Rubber
    Lokar XBAG-6078 Midnight Series 55-57 Chevy Power Brake Pad w/Rubber
    (Part #491XBAG6078)
    x
                Brake and Clutch Pads are designed to match the Throttle Pedal assemblies. With Lokar's exclusive mounting design, no drilling is needed to mount pads, which allows easy installation.
    Power Brake Pads:
    • Outside measurement of 5 x 2 3/4 fits 4 3/4 x 2 3/8 original steel brake pedal

  • Basic Disc Brake Kit, 1955-64 Chevy Fullsize Car, Stock Spindle
    Basic Disc Brake Kit, 1955-64 Chevy Fullsize Car, Stock Spindle
    (Part #91631931)
    x
                

    This kit allows you to put front disc brakes on your 1955-64 fullsize Chevy passenger car (Bel-Air, Biscayne, Impala, 150 Series, 210 Series) OEM spindles (will NOT work with dropped spindles). It will work with 14" wheels intended for disc brakes, as well as most 15" (or larger) wheels. Works with 5 on 4-3/4 inch bolt patterns.

    Use with our 11" rotor 910-65390 and metric caliper 910-31045 (see Notes). This kit will increase track width 3/8" per side or or 3/4" total when installed.

    Kit Includes:

    • Brake brackets
    • Hardware
    916-31931 Instructions (PDF)
  • GM Disc/Drum Proportioning Valve for 1/2-20, 9/16-18 Outlets
    GM Disc/Drum Proportioning Valve for 1/2-20, 9/16-18 Outlets
    (Part #91031351)
    x
                

    These proportioning valves are similar to what GM used on many cars in the 70's. They are non-adjustable and may require an adjustable valve in the rear brakes (if needed). Block incorporates metering (for front brakes) and proportioning (for rear brakes) into one unit. For use with front disc, rear drum brake systems.

    Includes hard lines to connect to a master cylinder with 1/2"-20 and 9/16"-18 outlets.

    GM Proportioning Valve Plumbing Instructions (PDF)

  • 1969-1972 GM Midsize 11 Inch Brake Rotor, 5 on 4 3/4 Inch
    1969-1972 GM Midsize 11 Inch Brake Rotor, 5 on 4 3/4 Inch
    (Part #91065390)
    x
                

    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.

     

     

  • GM Disc/Disc Proportioning Valve for 3/8-24 Outlets
    GM Disc/Disc Proportioning Valve for 3/8-24 Outlets
    (Part #91031366)
    x
                

    These proportioning valves are similar to what GM used on many cars in the 70's. They are non-adjustable and may require an adjustable valve in the rear brakes (if needed). Block incorporates metering (for front brakes) and proportioning (for rear brakes) into one unit. For use with four-wheel disc brake systems.

    Includes hard lines to connect to a master cylinder with 3/8"-24 outlets.

    910-31366 Instructions (PDF)

  • 1955-57 Chevy Car Brake Booster Combo, Disc/Drum
    1955-57 Chevy Car Brake Booster Combo, Disc/Drum
    (Part #91031415)
    x
                

    When you put modern disc brakes on the front of your 1955-57 Chevy car you should update the master cylinder as well. The stock 4-wheel drum master does not have the capacity to supply the proper amount of pressure for front disc brakes, so for best results, we recommend using this combo kit with any front disc brake conversion kit.

    • Bolt-on assembly works with stock pedal
    • Uses common 1" bore master cylinder
    • 8" dual diaphragm booster
    • Angled booster-to-firewall mounting bracket gives additional valve cover clearance

    Learn more about selecting the proper master cylinder for your vehicle by reading our tech article. Brake System Selection.

  • Lokar BAG-6137 55-57 Chevy Curved Power Billet Alum Brake Pedal Pad
    Lokar BAG-6137 55-57 Chevy Curved Power Billet Alum Brake Pedal Pad
    (Part #4916137)
    x
                

    For a compact and clean look, Lokar has put a modern bend on classic brake pedal pads. These curved brake/clutch pedal covers add style and function to your classic car. Designed with hidden screws, these pads are curved and pocketed to match and bolt directly to the factory steel brake pedal. Each brake pedal cover has been fashioned after its corresponding factory rubber pad and is available in a brushed finish.

    • Billet aluminum
    • Machined to fit over the stock steel pads
    • Quick and easy installation
    • Rubber inserts
    • Brushed finish

    4916137 Installation Instructions (PDF)

  • 1955-64 GM Master Cylinder for Drum Brakes
    1955-64 GM Master Cylinder for Drum Brakes
    (Part #91031416)
    x
                

    This is an OEM type single reservoir master cylinder for many 1955-1964 Chevy applications with original drum brakes. Has a 1" bore and a 7/16"-24 IFF outlet port. Not for use with disc brakes.

    Learn more about selecting the proper master cylinder for your vehicle by reading our tech article. Brake System Selection

    Catalog Correction: This unit has a 7/16" outlet, not a 3/8" port as stated in our catalogs.

  • Rubber Brake Line Hose Set for 10mm-1.5 Calipers
    Rubber Brake Line Hose Set for 10mm-1.5 Calipers
    (Part #6178569)
    x
                

    These 15" front brake hoses are designed for 1955-1974 GM front disc brake conversions using stock-style 1969-1988 GM single-piston calipers.

    Note: Hose banjo bolts sold separately.

  • Lokar BAG-6075 1955-1957 Chevy Billet Alum Brake/Clutch Pad, Brushed
    Lokar BAG-6075 1955-1957 Chevy Billet Alum Brake/Clutch Pad, Brushed
    (Part #491BAG6075)
    x
                
    • Made to cover the factory brake pad. Billet aluminum construction with hardware included. Made in the U.S.A. Lifetime warranty.
    • Fits 3.25 in. X 1 5/8 in. Brake/Clutch Pedal
    • Exclusive Mounting Design
    • No Drilling Needed To Mount Pads
    • Easy Installation
    • Billet Aluminum
    • Made In The U.S.A.
    • Lifetime Warranty
  • Lokar XBAG-6076 Midnight Series 55-57 Chevy Brake/Clutch Pad w/Rubber
    Lokar XBAG-6076 Midnight Series 55-57 Chevy Brake/Clutch Pad w/Rubber
    (Part #491XBAG6076)
    x
                Brake and Clutch Pads are designed to match the Throttle Pedal assemblies. With Lokar's exclusive mounting design, no drilling is needed to mount pads, which allows easy installation.
    Brake and Clutch Pads:
    • Outside measurement of 3 7/8 x 2 5/8 fits 3 1/4 x 1 5/8 original steel brake pedal

  • GM Metric Disc Brake Kit for 910-34921 1955-57 2" Drop Spindles
    GM Metric Disc Brake Kit for 910-34921 1955-57 2" Drop Spindles
    (Part #91031992)
    x
                

    Disc brake kit features 10-½” GM vented cast iron rotors and 1978-88 GM metric single piston calipers.

    • 10-1/2" rotors (O.E. on 1979-81 GM Midsize: Malibu, Monte Carlo, Cutlass, Regal, etc.) 
    • 5 x 4-3/4" bolt pattern
    • Rubber Brake Lines
    • 1978-88 GM Metric Calipers
    • 7/16"-20 inlet fitting
    • Includes all hardware: pads, slide bolts, seals, inner & outer wheel bearings, spindle nuts, dust caps

    Spindles sold separately.

    910-31992 Instructions (PDF)

  • 1955-64 Chevy Car Roller Bearing Hub Kit
    1955-64 Chevy Car Roller Bearing Hub Kit
    (Part #91631972)
    x
                

    These new replacement forged aluminum hubs with new studs and installed bearing races are stronger and safer than any hub on the market to date.  Get rid of those old and expensive ball bearings and update to modern tapered roller bearings. Includes new hubs, bearings, races, seals and hardware. For use with stock brake drums only.

  • GM Disc/Drum Proportioning Valve for 3/8-24 Outlets
    GM Disc/Drum Proportioning Valve for 3/8-24 Outlets
    (Part #91031364)
    x
                

    These proportioning valves are similar to what GM used on many cars in the 70's. They are non-adjustable and may require an adjustable valve in the rear brakes (if needed). Block incorporates metering (for front brakes) and proportioning (for rear brakes) into one unit. For use with front disc, rear drum brake systems.

    Includes hard lines to connect to a master cylinder with 3/8"-24 outlets.

    910-31364 Instructions (PDF)

  • 1958-64 Chevy Full-size Car Brake Booster Combo, Disc/Disc, Drum/Drum
    1958-64 Chevy Full-size Car Brake Booster Combo, Disc/Disc, Drum/Drum
    (Part #91031974)
    x
                

    When you put modern disc brakes on your 1958-1964 Chevy full-size car (Bel-Air, Biscayne, Impala, 150 Series, 210 Series), you should update the master cylinder as well. Stock 4-wheel drum master cylinders do not have the capacity to supply the proper amount of pressure for disc brakes. For best results, we recommend using this simple, bolt-on master cylinder booster kit on all 4-wheel disc brake conversions or as a power brake upgrade for 4-wheel drum brake applications.

    • 8" dual diaphragm booster
    • 1" bore master cylinder
    • Adjustable proportioning valve for rear brake line
    • Master cylinder has outlets on both sides for ease of plumbing
    • 1/2"-20 and 9/16"-18 outlets

    Learn more about selecting the proper master cylinder for your vehicle by reading our tech article. Brake System Selection.

  • Lokar BAG-6080 1955-57 Chevy Billet Non-Power Brake Pedal Pad
    Lokar BAG-6080 1955-57 Chevy Billet Non-Power Brake Pedal Pad
    (Part #4916080)
    x
                

    These brake pedal covers go over your 1955-57 Chevy non-power brake pedals and are retained by 4 allen head button bolts that screw into the back side.

    Outside measurement of 6" x 2-3/4" fits 3-1/4" x 1-5/8" original steel pedal.

  • Lokar BAG-6139 1955-57 Chevy Billet Brake/Clutch Pad Manual w/Rubber
    Lokar BAG-6139 1955-57 Chevy Billet Brake/Clutch Pad Manual w/Rubber
    (Part #491BAG6139)
    x
                
    • For a compact and clean look. Add style and function to your classic car. Designed with hidden screws. Curved to match and bolt directly to factory pedal. Brushed billet aluminum with rubber inserts. Made in the U.S.A. Lifetime warranty.
    • For A Compact And Clean Look
    • Add Style And Function To Your Classic Car
    • Designed With Hidden Screws
    • Curved To Match And Bolt Directly To Factory Pedal
    • Brushed Billet Aluminum w/Rubber Inserts
    • Made In The U.S.A.
    • Lifetime Warranty
  • Lokar BAG-6077 1955-1957 Chevy Billet Alum Automatic Power Brake Pad
    Lokar BAG-6077 1955-1957 Chevy Billet Alum Automatic Power Brake Pad
    (Part #491BAG6077)
    x
                
    • The Lokar 1955-1957 brake pads are designed to match the Lokar throttle pedals in both ball-milled billet aluminum and with rubber inserts. With Lokar's exclusive mounting design, no drilling is needed to mount pads, which allows easy installation. They are offered in three applications.
    • Fits 4.75 in. X 2 3/8 in. Brake Pedal
    • Exclusive Mounting Design
    • No Drilling Needed To Mount Pads
    • Easy Installation
    • Billet Aluminum
    • Made In The U.S.A.
    • Lifetime Warranty
  • 1955-66 GM Master Cylinder for Drum Brakes, Stainless Sleeve
    1955-66 GM Master Cylinder for Drum Brakes, Stainless Sleeve
    (Part #91031417)
    x
                

    Brake fluid can ruin your master cylinder in just a few years. Stop the problem by using a stainless steel sleeved master cylinder. This is an OEM-style single reservoir master cylinder for many 1955-1966 Chevy applications with drum brakes. Will not work with disc brakes.

    Features a 1" bore and has a 7/16"-24 inverted flare port.

    Learn more about selecting the proper master cylinder for your vehicle by reading our tech article. Brake System Selection

  • Lokar XBAG-6080 Midnight Series 55-57 Chevy XL Non-PWR Brake Pad w/Rub
    Lokar XBAG-6080 Midnight Series 55-57 Chevy XL Non-PWR Brake Pad w/Rub
    (Part #491XBAG6080)
    x
                Brake and Clutch Pads are designed to match the Throttle Pedal assemblies. With Lokar's exclusive mounting design, no drilling is needed to mount pads, which allows easy installation.
    XL Non-Power Brake Pads:
    • Outside measurement of 6 x 2 3/4 and fits 3 1/4 x 1 5/8 original steel brake pedal
  • Lokar XBAG-6138 Midnight Series 55-57 Chevy XL Non-PWR Brake Pad w/Rub
    Lokar XBAG-6138 Midnight Series 55-57 Chevy XL Non-PWR Brake Pad w/Rub
    (Part #491XBAG6138)
    x
                

    For a compact and clean look, Lokar has put a modern bend on classic brake pedal pads. Our Curved Brake/Clutch Pedal Pads add style and function to your classic car.

    • Designed with hidden screws, these pads are curved and pocketed to match and bolt directly to the factory steel brake pedal.
    • Each brake pedal pad has been fashioned after its corresponding factory rubber pad.
    • Available in brushed or black finish.
  • Lokar BAG-6138 55-57 Chevy Curved XL Non-Power Alum Brake Pedal Pad
    Lokar BAG-6138 55-57 Chevy Curved XL Non-Power Alum Brake Pedal Pad
    (Part #4916138)
    x
                

    For a compact and clean look, Lokar has put a modern bend on classic brake pedal pads. These curved brake/clutch pedal covers add style and function to your classic car. Designed with hidden screws, these pads are curved and pocketed to match and bolt directly to the factory steel brake pedal. Each brake pedal cover has been fashioned after its corresponding factory rubber pad and is available in a brushed finish.

    • Extra Large Non-Power Brake Pedal Pad
    • Billet aluminum
    • Machined to fit over the stock steel pads
    • Quick and easy installation
    • Rubber inserts
    • Brushed finish

    4916138 Installation Instructions (PDF)

  • Lokar XBAG-6139 Midnight Series 55-57 Chevy Brake/Clutch Pad Man w/Rub
    Lokar XBAG-6139 Midnight Series 55-57 Chevy Brake/Clutch Pad Man w/Rub
    (Part #491XBAG6139)
    x
                

    For a compact and clean look, Lokar has put a modern bend on classic brake pedal pads. Our Curved Brake/Clutch Pedal Pads add style and function to your classic car.

    • Designed with hidden screws, these pads are curved and pocketed to match and bolt directly to the factory steel brake pedal.
    • Each brake pedal pad has been fashioned after its corresponding factory rubber pad.
    • Available in brushed or black finish.
  • Rubber Brake Line Hose Set for 7/16 Inch-20 Calipers
    Rubber Brake Line Hose Set for 7/16 Inch-20 Calipers
    (Part #6178568)
    x
                

    These front brake hoses are designed for 1955-1974 GM front disc brake conversions using stock-style 1969-1988 GM single-piston calipers.

    For 7/16"-20 calipers. This hose comes with banjo bolts, but not crush washers.

  • Speedway Basic Brake Kit for 1955-57 Chevy Car
    Speedway Basic Brake Kit for 1955-57 Chevy Car
    (Part #91631915)
    x
                Just what's needed to update your classic Chevy! Eliminate those archaic ball bearings and gain first class stopping power all at once. This kit will increase the total track width by 1-3/4". May not clear some 14" wheels. Uses 1969-72 GM Midsize calipers and rotors. Bolts on with no machine work necessary.  

    Kit Includes:

    • Brake caliper brackets
    • Hardware
    916-31915 Instructions (PDF)
  • Deluxe Disc Brake Kit, 1955-1964 Chevy Full-size Car, Stock Spindle
    Deluxe Disc Brake Kit, 1955-1964 Chevy Full-size Car, Stock Spindle
    (Part #91031911)
    x
                

    These kits allow you to mount front disc brakes on your 1955-1964 Chevy full-size car (Bel-Air, Biscayne, Impala, 150 Series, 210 Series). Front disc brakes provide a significant improvement in braking performance versus the drum brakes your old Chevy came with. This disc brake kit works with stock, drum brake spindles only - it does not work with 2" drop spindles. Kit will work with 14" wheels intended for disc brake applications, as well as most 15" (or larger) wheels.

    Rotors are 11" diameter with 5 on 4-3/4" bolt pattern and calipers have 7/16"-20 inlets. This kit will increase track width 7/8" per side or 1-3/4" total when installed. 

    • 11" Rotors
    • 5 on 4-3/4" - bolt pattern
    • Metric calipers
    • Calipers mount behind axle (rearward)
    • Will work with 14" & larger wheels intended for use with disc brakes
    • Bearings, pads, brackets included
    • Seals and hoses
    • Hardware included
    • Increases trac-width 7/8" per side
    • For '55-'64 Chevy fullsize cars. 

    910-31911 Instructions (PDF)

     

  • 1955-57 Chevy Car Disc/Disc Brake Booster Master Cylinder Combo
    1955-57 Chevy Car Disc/Disc Brake Booster Master Cylinder Combo
    (Part #91035557)
    x
                

    When you put modern front & rear disc brakes on your '55-'57 Chevy car, you should update the master cylinder as well. Why not use one of these simple bolt-on power brake systems? Kits contain a 1" bore master cylinder with 1/2"-20 and 9/16"-18 outlets, 8" dual diaphragm booster, and a knob style proportioning/metering valve. Also includes the necessary hardware to mount the booster to your original '55-'57 Chevy brake pedal.

    Measures 14-1/4" from firewall bracket to end of master cylinder.

    Learn more about selecting the proper master cylinder for your vehicle by reading our tech article. Brake System Selection

  • GM Midsize Brake Kit for 910-34923 Spindles
    GM Midsize Brake Kit for 910-34923 Spindles
    (Part #91031995)
    x
                

    Disc brake kit features 10 ½” GM vented cast iron rotors and 1969-77 GM single piston calipers. Track width is increased over stock O/E front end width by 3/4" overall or 3/8" per side.

    Spindles sold separately.

    910-31995 Instructions (PDF)

  • Speedway 1955-57 Chevy Deluxe Front Disc Brake Kit
    Speedway 1955-57 Chevy Deluxe Front Disc Brake Kit
    (Part #91031949)
    x
                

    Just what's needed to update your classic Tri-Five Chevy! Eliminate those archaic ball bearings and gain first class stopping power all at once with this front disc brake conversion kit. Rotors and caliper brackets bolt onto your original spindles with no modification or machining required. Calipers mount to the front of the spindle.

    This disc brake kit will increase the total front track width by 1-3/4" (7/8” per side).

    • Uses 11" rotors and 1969-72 GM calipers (7/16"-20 inlets)
    • May not clear some 14" wheels
    • Bolts onto stock '55-'57 spindles with no machine work
    • Includes rubber brake hoses

    910-31949 Instructions (PDF)

  • Removable Brake Tab for Rubber Hose
    Removable Brake Tab for Rubber Hose
    (Part #91031311)
    x
                

    This brake line tab is designed to work only with our 6178568 and 6178569 rubber brake hoses. The I.D. of the tab has a unique shape, similar to that of an OEM brake tab.

    Fits many OEM hoses for 1969-1988 GM calipers. Sold as a pair and includes two retainer clips.

  • Lokar BAG-6076 1955-57 Chevy Billet Brake/Clutch Pedal Cover
    Lokar BAG-6076 1955-57 Chevy Billet Brake/Clutch Pedal Cover
    (Part #4916076)
    x
                

    These pedal covers go over your 1955-57 Chevy clutch and non-power brake pedals and are retained by 4 allen head button bolts that screw into the back side.

    • Outside measurement of 3-7/8" x 2-5/8" fits 4-3/4" x 2-3/8" original steel pedal.
    • Thickness of billet is approximately 1-2”
    • Rubber insets extend an additional 1/16”
    • Recess in back is 3-¼” long and 1-5/8” tall by 5/16” deep
  • Wilwood 140-11010 FDL 11.75 In Pro Series Front Brake Kit, 55-57 Chevy
    Wilwood 140-11010 FDL 11.75 In Pro Series Front Brake Kit, 55-57 Chevy
    (Part #83514011010)
    x
                

    This heavy duty Wilwood brake kit is just the ticket for your '55, '56 or '57 Chevy car. Features 4-piston billet Dynalite calipers, aluminum hubs, 11-3/4" vented rotors and required brackets and hardware. Calipers have 1/8" NPT inlet. Works with 15" and larger wheels.

    Note: For stock 1955-1957 Chevy spindles ONLY - will not fit 2" drop aftermarket spindles.

    835-14011010 Instructions (PDF)

  • GM Disc/Disc Proportioning Valve for 1/2-20, 9/16-18 Outlets
    GM Disc/Disc Proportioning Valve for 1/2-20, 9/16-18 Outlets
    (Part #91031352)
    x
                

    These proportioning valves are similar to what GM used on many cars in the 70's. They are non-adjustable and may require an adjustable valve in the rear brakes (if needed). Block incorporates metering (for front brakes) and proportioning (for rear brakes) into one unit. For use with four-wheel disc brake systems.

    Includes hard lines to connect to a master cylinder with 1/2"-20 and 9/16"-18 outlets.

    910-31352 Instructions (PDF)

  • Lokar BAG-6078 1955-57 Chevy Billet Power Brake Pedal Pad
    Lokar BAG-6078 1955-57 Chevy Billet Power Brake Pedal Pad
    (Part #4916078)
    x
                

    These brake pedal covers go over your 1955-57 Chevy power brake pedals and are retained by 4 allen head button bolts that screw into the back side.

    Outside measurement of 5" x 2-3/4" fits 4-3/4" x 2-3/8" original steel pedal.

  • Lokar XBAG-6137 Midnight Series 55-57 Chevy Power Brake Pad w/Rubber
    Lokar XBAG-6137 Midnight Series 55-57 Chevy Power Brake Pad w/Rubber
    (Part #491XBAG6137)
    x
                

    For a compact and clean look, Lokar has put a modern bend on classic brake pedal pads. Our Curved Brake/Clutch Pedal Pads add style and function to your classic car.

    • Designed with hidden screws, these pads are curved and pocketed to match and bolt directly to the factory steel brake pedal.
    • Each brake pedal pad has been fashioned after its corresponding factory rubber pad.
    • Available in brushed or black finish.
  • Speedway Soft Street Brake Pads, GM Metric 1978-UP
    Speedway Soft Street Brake Pads, GM Metric 1978-UP
    (Part #9193381)
    x
                

    Speedway soft brake pad for GM Metric 1978-Up.

    Sold as one set of 4 (ST); outfits two calipers.

    Tech Tip: You can fine tune your car's brake system by selecting different compounds for the front and rear, or side to side.

    Tech Tip:  Only use full metallic pads on coated rotors.

    Brake Pad Brand Guide (Link) 

    Learn how to properly Bed-In your brake pads by reading our tech article.  Bedding-In Brake Pad Procedure.

  • Lokar BAG-6079 1955-57 Chevy XL Billet Alum Auto Non-Power Brake Pad
    Lokar BAG-6079 1955-57 Chevy XL Billet Alum Auto Non-Power Brake Pad
    (Part #491BAG6079)
    x
                
    • XL series ball milled billet aluminum brake pads are designed just like our standard throttle assemblies, but it is extra large for those seeking more comfort and safety. Throttle pedal pad is spring-loaded like the OEM design. The removable lower arm is splined for versatility in mounting to the right or left of the mounting bracket. Designed with a 1/2 x 20 thread and includes a 1/2 x 20 stud kit. Can be mounted centered or off center.
    • Rubber Inserts Provide Foot Traction For Safety
    • Brushed Billet Aluminum
    • Made In The U.S.A.
    • Lifetime Warranty
  • 1955-57 Chevy Car Disc/Drum Brake Booster Master Cylinder Combo
    1955-57 Chevy Car Disc/Drum Brake Booster Master Cylinder Combo
    (Part #91035556)
    x
                

    When you put modern front disc brakes on your '55-'57 Chevy car, you should update the master cylinder as well. The stock '55-'57 drum brake master cylinder does not have the capacity to supply the proper amount of pressure for front disc brakes. This simple bolt-on power brake assembly will ensure your brakes are operating at peak performance.

    • Kit contains a 1" bore master cylinder with 1/2"-20 and 9/16"-18 outlets, 8" dual diaphragm booster, and a disc/drum combination valve (provides proportioning and metering).
    • Also includes line to connect the prop/metering block to the master cylinder and the necessary hardware to mount the booster to your original '55-'57 Chevy brake pedal.
    • Measures 14-1/4" from firewall bracket to end of master cylinder.

    Learn more about selecting the proper master cylinder for your vehicle by reading our tech article. Brake System Selection.

  • 1955-1964 Chevy Power Brake Booster Bracket, Passenger Cars
    1955-1964 Chevy Power Brake Booster Bracket, Passenger Cars
    (Part #91031982)
    x
                

    This bracket makes it easy to convert to power brakes while keeping the master cylinder level. The bracket is designed to work with 1955-64 Chevrolet A Body and B body passenger cars such as the Bel Air, Biscayne, Impala and Caprice. The booster side of this bracket has the common 3-3/8” center to center both vertical and horizontal.  

    • Makes it easy to convert to power brakes
    • 3-3/8” center to center both vertical and horizontal - booster side
    • Designed to work with 1955-64 Chevrolet A Body and B body cars (Bel Air, Biscayne, Impala, Caprice)

    Note: Depending on the application, this kit, in many cases changes the mechanical advantage or pedal ratio. With power assist less pedal pressure is required and to help eliminate some of the pedal travel the attachment location on the pedal arm may be further from the pivot point. You will need to have a straight alignment of the rod to the assembly and also a straight in alignment of the push rod to the booster.