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MCP Racing Lawnmower Billet 1-1/4 Big Brake Kit w/1-1/4 Rotor
MCP Billet 1-1/4" Big Brake Kit w/10" Rotor
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MCP Racing Lawnmower Billet 1-1/4 Big Brake Kit w/1-1/4 Rotor

Part Number: 7260B
Online Price: $399.95
Phone Order Price:$425.99
You Save:$26.04(6%)
MCP Billet 1.25 Big Brake Kit w/10.00-Inch Rotor for racing lawnmower and mini cup cars
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Description

MCP Billet Big Brake Kit with 10-Inch Rotor for 1-1/4" Axles – High-Performance Stopping Power for Karting & Custom Builds


The Martin Custom Products (MCP) Billet Big Brake Kit is engineered for high-performance karting and adaptable to a wide range of small racing vehicles, including junior dragsters, quarter midgets, race mowers, and more. Designed with durability and performance in mind, this kit delivers exceptional braking power, enhanced heat dissipation, and easy serviceability.


Featuring a 10.00-inch rotor, this big brake setup provides significantly greater braking surface area than standard systems—ideal for heavier vehicles and high-demand applications where smaller rotors tend to overheat or fade.


Key Features:

  • Fits 1-1/4" Rear Axles – Compatible with most standard karting axles and custom builds
  • Oversized 10-Inch Rotor – Provides increased braking torque and superior heat dissipation
  • High-Quality Billet Construction – Durable, lightweight, and built for competition
  • Hydraulic System – Utilizes DOT 5 brake fluid for high-temperature resistance and reduced corrosion
  • Spring-Loaded Caliper Design – Automatically retracts pads after braking to reduce drag and improve efficiency
  • Adjustable Calipers – Maintains optimal pad-to-rotor spacing as pads wear
  • Universal Application – Perfect for kart racing, mini bikes, lawnmower racers, and more


Kit Includes:

  • 1375 MCP Billet Brake Caliper
  • 875 MCP Master Cylinder
  • 3602 Sprocket/Brake Hub
  • 710 10-Inch Brake Disc (Rotor)
  • 8 ft. PT 316 Nylon Brake Line
  • 25F125KCS0 – 1/4-28 Mounting Bolt
  • 25FNWF0Z – 1/4-28 Whiz Nut


Ideal Applications:

  • High-performance go-karts
  • Racing lawn mowers (especially in heavy classes)
  • Junior dragsters
  • Half-Midgets
  • Custom small-engine vehicles requiring high braking power

FAQ

Q1: What vehicles can this brake kit be used on?
A: This brake kit is designed for racing go-karts but is also well-suited for race mowers, junior dragsters, quarter midgets, and other small custom race vehicles using a 1-1/4" rear axle.


Q2: Why choose a 10-inch rotor over a standard size?
A: The 10-inch rotor provides more braking surface area, improving stopping power and heat dissipation, especially important for heavier vehicles or demanding race conditions where smaller rotors can overheat.


Q3: Does the caliper drag when not braking?
A: No. The MCP 1375 caliper uses a spring-loaded system to retract the pads when the brake is released, reducing drag and maintaining performance.


Q4: What kind of brake fluid should I use?
A: The system is designed to run on DOT 5 brake fluid, which handles higher temperatures and resists corrosion better than DOT 3 or 4.


Q5: How adjustable is the brake system?
A: The caliper is manually adjustable, allowing you to maintain proper pad clearance as the pads wear over time.


Q6: Is this kit compatible with other axle sizes?
A: No, this specific kit is made for 1-1/4" rear axles. Adapters or different hubs would be required for other axle sizes.


Q7: What’s included in the kit?
A: The complete kit includes:

  • MCP 1375 Billet Caliper
  • MCP 875 Master Cylinder
  • 10" Brake Rotor (710 Disc)
  • 3602 Brake/Sprocket Hub
  • 8 ft. Brake Line
  • Mounting Bolt and Nut Hardware

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