Crown Automotive
Power Brake Booster Conversion Kit for 76-95 Jeep CJ5 CJ7 CJ8 YJ | RT31010
Power Brake Booster Conversion Kit for 76-95 Jeep CJ5 CJ7 CJ8 YJ | RT31010
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Heavy Duty Power Brake Booster Conversion Kit
1976-1986 Jeep CJ-5, CJ-7 & CJ-8 | 1991-1995 Jeep Wrangler YJ | RT31010
Product Overview
Upgrade the braking system on your Jeep with this Heavy Duty Power Brake Booster Conversion Kit, designed specifically for vehicles equipped with aftermarket axles. The kit combines an 8-inch dual diaphragm power brake booster with a 1-1/8-inch bore master cylinder to accommodate braking systems utilizing larger brake calipers.
This configuration is intended for Jeep CJ-5, CJ-7, CJ-8, and Wrangler YJ applications with aftermarket axle upgrades. The larger bore master cylinder is designed for modified axle configurations equipped with larger brake calipers, making this kit suitable for the specified upgraded braking systems.
The kit provides the components needed to replace the existing brake booster and master cylinder, including a zinc-coated brake booster, master cylinder, bench bleeding kit, and installation instructions.
Vehicle Compatibility
Jeep Wrangler Applications
- 1991-1995 Jeep Wrangler (YJ) - Without ABS; equipped with aftermarket axles
Vintage Jeep CJ Applications
- 1976-1983 Jeep CJ-5 - Equipped with aftermarket axles
- 1976-1986 Jeep CJ-7 - Equipped with aftermarket axles
- 1981-1986 Jeep CJ-8 - Equipped with aftermarket axles
Important: This kit is specifically identified for vehicles with aftermarket axles. Wrangler YJ applications must also be equipped without ABS. Verify the vehicle's axle configuration and braking system before ordering.
Product Highlights
- Heavy Duty Brake Booster: Features an 8-inch dual diaphragm power brake booster for the specified conversion application.
- Large Bore Master Cylinder: Includes a 1-1/8-inch bore master cylinder designed for upgraded axle configurations with larger brake calipers.
- Aftermarket Axle Compatibility: Specifically intended for Jeep applications equipped with aftermarket axles.
- Zinc-Coated Booster: Features a zinc-coated brake booster as part of the supplied assembly.
- Complete Specified Kit Components: Includes the brake booster, master cylinder, bench bleeding kit, and installation instructions.
What's Included
- Heavy Duty 8-Inch Dual Diaphragm Brake Booster
- 1-1/8-Inch Bore Master Cylinder
- Bench Bleeding Kit
- Installation Instructions
Kit contents are based on the supplied product information. Additional mounting hardware or brake system components are not specified.
Product-Specific Technical Details
- Component: Power Brake Booster Conversion Kit
- Booster Type: Heavy Duty Dual Diaphragm
- Brake Booster Diameter: 8 Inches
- Master Cylinder Bore: 1-1/8 Inches
- Brake Booster Finish: Zinc-Coated
- Intended Axle Configuration: Aftermarket Axles
- Master Cylinder Application: Upgraded Axles with Larger Brake Calipers
- Wrangler YJ ABS Requirement: Without ABS
- Product Reference: RT31010
Additional dimensions, hydraulic specifications, mounting hardware, and brake line connection details have not been provided.
Installation & Fitment Notes
- Confirm the vehicle is within the specified Jeep CJ or Wrangler YJ model year range.
- Verify that the vehicle is equipped with aftermarket axles compatible with the intended larger bore master cylinder application.
- For 1991-1995 Jeep Wrangler YJ models, confirm the vehicle is equipped without ABS.
- Installation involves replacing the existing brake booster and master cylinder.
- A bench bleeding kit and installation instructions are included with the conversion kit.
- Verify compatibility with the vehicle's existing brake components and modified axle configuration before installation.
Follow the supplied installation instructions and applicable vehicle service procedures. Brake system configuration and component compatibility should be confirmed before completing the conversion.
Product Reference
Part Number: RT31010
Configuration: 8-Inch Dual Diaphragm Booster with 1-1/8-Inch Bore Master Cylinder
The part number above is provided for product identification. Verify the specified booster and master cylinder configuration against the vehicle's braking system requirements before purchasing.
Fitment Reminder
This conversion kit is designed for the listed Jeep applications with aftermarket axles. Confirm the required 1-1/8-inch master cylinder bore, axle configuration, brake caliper application, and non-ABS requirement for Wrangler YJ models before installation.
Please verify vehicle compatibility, aftermarket axle configuration, braking system requirements, and supplied product specifications before ordering.
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