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    AirHeart Products

    High performance caliper disc brakes, brake discs, and master cylinders for all your vehicular applications. View All AirHeart Products Here

    Order by Part Number

    Order MB1 Disc Brakes

    Product Page
    Ordering Flyer
    Part Sheet
    Dimensions

    Part Number
    3000-0001
    3000-0002
    3000-0003
    3000-0075
    3000-0004
    Direction of Pull
    Clockwise
    Counter Clockwise
    Clockwise
    Clockwise
    Counter Clockwise
    Disc Diameter
    Any
    Any
    Any
    – – –
    Any
    Disc Thickness
    5/32 in
    5/32 in
    5/32 in
    – – –
    5/32 in
    Effective Piston Area
    3.6 in²
    3.6 in²
    3.6 in²
    – – –
    3.6 in²
    Max. Dynamic Torque
    16″ Disc: 7,992 in-lb, 6-5/16″ Disc: 2,764 in-lb
    16″ Disc: 7,992 in-lb, 6-5/16″ Disc: 2,764 in-lb
    16″ Disc: 7,992 in-lb, 6-5/16″ Disc: 2,764 in-lb
    – – –
    16″ Disc: 7,992 in-lb, 6-5/16″ Disc: 2,764 in-lb
    Max. Static Torque
    16″ Disc: 3,996 in-lb, 6-5/16″ Disc: 1,382 in-lb
    16″ Disc: 3,996 in-lb, 6-5/16″ Disc: 1,382 in-lb
    16″ Disc: 3,996 in-lb, 6-5/16″ Disc: 1,382 in-lb
    – – –
    16″ Disc: 3,996 in-lb, 6-5/16″ Disc: 1,382 in-lb
    Max. Tan. F at no wear
    Based on the Maximum Intermitted Lever Force of 200 lbs. Continuous Maximum Lever Force is 150 lbs.
    Based on the Maximum Intermitted Lever Force of 200 lbs. Continuous Maximum Lever Force is 150 lbs.
    Based on the Maximum Intermitted Lever Force of 200 lbs. Continuous Maximum Lever Force is 150 lbs.
    – – –
    Based on the Maximum Intermitted Lever Force of 200 lbs. Continuous Maximum Lever Force is 150 lbs.
    Model
    MB1
    MB1
    MB1
    – – –
    MB1
    Max. Wearable Lining
    – – –
    0.45 in³
    – – –
    – – –
    – – –
    Lever Position
    – – –
    – – –
    – – –
    3 O’Clock
    – – –
    Added Options
    – – –
    – – –
    – – –
    – – –
    – – –
    Dynamic Torque
    – – –
    – – –
    – – –
    – – –
    – – –
    Max. Continuous Pull Force
    – – –
    – – –
    – – –
    – – –
    – – –
    Max. Intermittent Pull Force
    – – –
    – – –
    – – –
    – – –
    – – –
    Pilot Clearance Diameter
    – – –
    – – –
    – – –
    – – –
    – – –
    Total Lining Area (two linings)
    – – –
    – – –
    – – –
    – – –
    – – –
    Useable Lining Thickness
    – – –
    – – –
    – – –
    – – –
    – – –
    Price
    $82.98
    USD
    $82.98
    USD
    $82.98
    USD
    $128.31
    USD
    $82.98
    USD

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    How to select a Master Cylinder

    Order Master Cylinder – Large Displacement

    Product Page
    Part Sheet
    Dimensions

    Part Number
    3100-0210
    3100-0410
    3100-9007
    3105-9002
    Description
    Large Displacement Master Cylinder
    Large Displacement Master Cylinder
    Overhaul Kit for Large Displacement Master Cylinder
    Overhaul Kit for Large Displacement Master Cylinder
    Bore
    3/4″
    7/8″
    3/4″
    7/8″
    Displacement Full Stroke
    0.61 in³
    0.83 in³
    0.61 in³
    0.83 in³
    Fluid Type
    Automotive Brake Fluid (type D.O.T.3)
    Automotive Brake Fluid (type D.O.T.3)
    Automotive Brake Fluid (type D.O.T.3)
    Automotive Brake Fluid (type D.O.T.3)
    Force Conversion
    2.25 psi/lb
    1.66 psi/lb
    2.25 psi/lb
    1.66
    Max. Output Pressure
    1,000 psi
    1,000 psi
    1,000 psi
    1,000 psi
    Max. Rod Force at 1000psi
    444 lb
    600 lb
    444 lb
    600 lb
    Stroke
    1.25 in
    1.25 in
    1.25 in
    1.25 in
    Price
    $255.97
    USD
    $255.97
    USD
    $100.69
    USD
    $145.91
    USD

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    Order Master Cylinder – Medium Displacement

    Product Page
    Part Sheet
    Dimensions

    Part Number
    3105-0211
    3105-0411
    3105-0210
    3105-0413
    Description
    Lever Up Actuated, 3/4″ bore Medium Displacement Master Cylinder
    Lever Up Actuated, 7/8″ bore Medium Displacement Master Cylinder
    Lever Down Actuated, 3/4″ bore Medium Displacement Master Cylinder
    Lever Down Actuated, 7/8″ bore Medium Displacement Master Cylinder
    Lever Orientation
    Up
    Up
    Down
    Down
    Bore Size
    3/4 in
    7/8 in
    3/4 in
    7/8 in
    Displacement
    0.42 in³
    0.75 in³
    0.57 in³
    0.57 in³
    Fluid Type
    Automotive Brake Fluid (SAE J-1703)
    Automotive Brake Fluid (SAE J-1703)
    Automotive Brake Fluid (SAE J-1703)
    Automotive Brake Fluid (SAE J-1703)
    Force Conversion
    3.63 psi/lb
    2.66 psi/lb
    4.53 psi/lb
    3.33 psi/lb
    Max. Force at 1000 psi
    331 lbs
    451 lbs
    265 lbs
    360 lbs
    Stroke
    0.96″
    0.96″
    0.96″
    0.96″
    Weight
    0.90 lbs
    0.90 lbs
    0.90 lbs
    0.90 lbs
    Price
    $255.97
    USD
    $254.90
    USD
    $255.97
    USD
    $255.99
    USD

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    Order Master Cylinder – Lever Only

    Product Page
    Part Sheet
    Dimensions

    Part Number
    3105-1074
    3105-1075
    Description
    Lever Up Configuration for Medium Displacement Cylinder
    Lever Down Configuration for Medium Displacement Cylinder
    Lever Orientation
    Up
    Down
    Price
    $73.81
    USD
    $30.83
    USD

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    Fixed-Hub-Disc-Assemblies

    Order Fixed Hub & Disc Assemblies

    Product Page

    Part Number
    0801-0008
    0801-0010
    0801-0012
    0801-0014
    0801-0016
    Description
    Disc 6-5/16″ Fixed Hub & Disc Assembly
    Disc 6-5/16″ Fixed Hub & Disc Assembly
    Disc 6-5/16″ Fixed Hub & Disc Assembly
    Disc 6-5/16″ Fixed Hub & Disc Assembly
    Disc 6-5/16″ Fixed Hub & Disc Assembly
    Disc Diameter
    6-5/16″
    6-5/16″
    6-5/16″
    6-5/16″
    6-5/16″
    Disc Thickness
    0.156 in
    0.156 in
    0.156 in
    0.156 in
    0.156 in
    Bore Size
    0.500 in
    0.625 in
    0.750 in
    0.875 in
    1.000 in
    Key Size
    .125 x .125 in
    .188 x .188 in
    .188 x .188 in
    .188 x .188 in
    .250 x .250 in
    Torque Rating
    3,000 in-lb
    3,000 in-lb
    3,000 in-lb
    3,000 in-lb
    3,000 in-lb
    Max. BTU Per Hour
    283.8
    283.8
    283.8
    283.8
    283.8
    Weight
    1.40 lbs
    1.40 lbs
    1.40 lbs
    1.40 lbs
    1.40 lbs
    Price
    $134.10
    USD
    $134.10
    USD
    $134.10
    USD
    $134.10
    USD
    $134.10
    USD

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    One-Piece-Hub-Washer

    Order One-Piece Hub & Disc

    Product Page

    Part Number
    0801-1210
    0801-1230
    Bore Size
    1.000 in
    1.000 in
    Disc Thickness
    0.187 in
    0.187 in
    Key Size
    .188 x .188 in
    .25 x .25 in
    Weight
    1.80 lbs
    1.80 lbs
    Diameter
    6 in
    6 in
    Price
    $39.41
    USD
    $44.09
    USD

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    Order Blank Brake Discs

    Product Page

    Part Number
    0801-1200
    0802-1200
    0803-1200
    0804-1200
    0805-1200
    Disc Diameter
    6.313 in
    8.000 in
    10.000 in
    12.000 in
    16.000 in
    Disc Thickness
    0.156 in
    0.156 in
    0.156 in
    0.156 in
    0.250 in
    Weight
    1.31 lbs
    2.20 lbs
    3.40 lbs
    4.78 lbs
    14.23 lbs
    Max. Wearable Lining
    – – –
    – – –
    – – –
    0.45 in³
    – – –
    Price
    $102.07
    USD
    $132.92
    USD
    $128.11
    USD
    $154.74
    USD
    $441.15
    USD

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    Order Disc with Bolt Circles & Pilot Hole

    Product Page

    Part Number
    0801-1206
    0802-1208
    0803-1210
    0804-1212
    0805-1216
    0805-1220
    Bolt Circle Diameter
    1.812 in
    3.125 in
    3.125 in
    4.500 in
    4.500 in
    4.500 in
    Disc Diameter
    6.313 in
    8.000 in
    10.000 in
    12.000 in
    16.000 in
    16.000 in
    Disc Thickness
    0.156 in
    0.156 in
    0.156 in
    0.156 in
    0.250 in
    0.500 in
    Hole Diameter
    0.332 in
    0.343 in
    0.343 in
    0.406 in
    0.406 in
    0.406 in
    No. of Bolt Holes
    8
    8
    8
    4
    4
    4
    Pilot Clearance Diameter
    1.376 in
    2.375 in
    2.375 in
    3.750 in
    3.750 in
    3.750 in
    Weight
    1.24 lbs
    2.15 lbs
    3.24 lbs
    4.40 lbs
    13.30 lbs
    26.33 lbs
    Friction Surface ID
    – – –
    12.50 in
    66.00 in
    84.0 in
    170.0 in
    – – –
    Number of Holes
    – – –
    – – –
    – – –
    – – –
    – – –
    – – –
    Price
    $49.99
    USD
    $52.80
    USD
    $146.19
    USD
    $134.23
    USD
    $429.55
    USD
    $1,094.60
    USD

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    AirHeart Part Sheets

    Caliper Disc Brakes

    MB-1 Mechanical Caliper Disc Brake

    MB-1 LINING REPLACEMENT

    150 x 1 Caliper Disc Brake, Hydraulic Brake, Retractable Piston Aluminum Housing

    175 x 1 QCII, Caliper Disc Brake, Retractable Piston, Aluminum Housing

    175 x 2 QCII, Caliper Disc Brake, Retractable Piston, Aluminum Housing

    175-06 Hydraulic Caliper

    175-Lining Replacement Instructions

    338 x 1 – 01 Series Disc Brake Hydraulically Actuated Caliper

    Lining Replacement Kits Instructions

    Anvil Replacement Instructions 150 & 175

    Overhauling Instructions

    External Residual Valve Installation Instructions

    Bleed Screw and Adapter Fitting Repair and Service

    Spacer Installation Instructions

    Master Cylinders

    Small Displacement Master Cylinder

    Large Displacement Master Cylinder

    Large Displacement Master Cylinder-Discontinued

    Medium Displacement Master Cylinder