Bill Smith
Founder, 1929-2014
Speedy Bill
Since 1952
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Shop Airheart Brake At Speedway Motors

Airheart Brake engineers and manufactures high performance disc brake calipers for a variety of applications. Airheart's compact 150x1 and 175H series calipers are designed to provide maximum braking power in a minimal amount of space for easy mounting on spindle mount front wheels. Speedway Motors also stocks genuine Airheart 150 and 175 brake caliper rebuild kits and disc brake pads.

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  • Airheart Brake 3025-9002 175 x One QC Caliper O-Ring Overhaul Kit
    Airheart Brake 3025-9002 175 x One QC Caliper O-Ring Overhaul Kit
    SKU-10730259002
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    Repair parts for Airheart disc brake calipers are hard to find! These O-ring overhaul kits will get you back on the track in a hurry. Each kit includes all neccessary parts for a rebuild.

  • Airheart Brake 175H, Hard Lining Replacement
    Airheart Brake 175H, Hard Lining Replacement
    SKU-9191560
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    Brake "pucks" or caliper pads for your vintage Airheart 175H series calipers. Pucks sold each.

    • Measures 1-5/8" O.D.
    • Has an inside step approx 1-1/2" O.D.
    • There are (2) countersunk screw holes in the pad for attachment.
    • Hard - Used on aluminum & steel rotors. The best pad to use on aluminum rotors. Very little metallic. Longer rotor & pad life. Excellent street pad.
  • Airheart Brake 175H, Medium Lining Replacement
    Airheart Brake 175H, Medium Lining Replacement
    SKU-9193380
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    Brake "pucks" or caliper pads for your vintage Airheart 175H series calipers. Pucks sold each.

    • Measures 1-5/8" O.D.
    • Has an inside step approx 1-1/2" O.D.
    • There are (2) countersunk screw holes in the pad for attachment.
    • Medium - Used on steel. Medium friction works well at lower temperatures. Good for street or dirt use.
  • Airheart Brake 3005-0000 150x1 Disc Brake Caliper
    Airheart Brake 3005-0000 150x1 Disc Brake Caliper
    SKU-10730050000
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    The Airheart 150x1 Series Disc Brake Caliper w/ Retracting Piston is designed to provide a maximum amount of braking power packed into a minimal amount of space for easy mounting. The 150x1 is typically used with spindle mount front wheels and is designed to be mounted in either the three or nine O'clock position on a disc. Either the caliper or disc must float.

    The 150X1 series features a single piston with a patented piston reactor. The body is made of die-cast aluminum alloy. Friction linings are available in both hard and soft materials.

    Requires type D.O.T. 3 brake fluid.

  • Airheart Brake 121-3600 156 x Two Caliper O-Ring Overhaul Kit
    Airheart Brake 121-3600 156 x Two Caliper O-Ring Overhaul Kit
    SKU-1071213600
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    Repair parts for Airheart disc brake calipers are hard to find! These O-ring overhaul kits will get you back on the track in a hurry. Each kit includes all neccessary parts for a rebuild.

    • (4) O-rings 1-7/8" O.D. (cross section 1/8")
    • (2) O-rings 1-3/8" O.D. (cross section 1/16")

    150x1 Replacement Parts List (PDF)

  • Airheart Brake 175H x 1.62 Inch, Soft Lining Replacement
    Airheart Brake 175H x 1.62 Inch, Soft Lining Replacement
    SKU-10730109002
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    Brake "pucks" or caliper pads for your vintage Airheart 175H series calipers. Pucks sold each.

    • Measures 1-5/8" O.D.
    • Has an inside step approx 1-1/2" O.D.
    • There are (2) countersunk screw holes in the pad for attachment.

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

  • Airheart Brake 3010-0001 175H Series Disc Brake Caliper
    Airheart Brake 3010-0001 175H Series Disc Brake Caliper
    SKU-10730100001
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    The Airheart 175H Series hydraulically actuated caliper disc brake has a longer piston than the 150x1 caliper and provides better braking. It is typically used on spindle mount wheels & most Hallcraft/Dayton wire wheels. Designed to mount on a 1/8-inch disc.

    • Body made of die-cast aluminum alloy
    • Friction linings available in both hard and soft materials (sold separately)

    Requires type D.O.T. 3 brake fluid.