Wilwood Street Performance AERO4 BB Rear P-Brake Kits, Drilled For Big Ford, 2.36 Offset, 14.00 Rotor

Designed for 1955-57 Chevy full-size models, the CPP Complete Power Brake Booster Kit upgrades both manual and factory power brake systems. This kit includes an 8-inch single chrome-plated booster, an aluminum master cylinder (compatible with shallow or deep bore setups), and a proportioning valve with a warning light switch. Compatible with 2-wheel or 4-wheel disc brake systems, the kit is engineered for an easy installation that fits factory layouts.

KEY SPECIFICATIONS

- High-capacity AERO4 radial mount calipers
- High-friction BP compound pads
- Oversized 14.00-inch vented rotors with a 2.36 offset
- Additional Info: The kit has Prop65 compliance and may ship directly from the manufacturer, which means faster delivery in some cases.

INSTALLATION OVERVIEW

Installation should be handled by someone experienced with disc brake systems. The provided assembly instructions outline steps like:
- Raising the rear wheels and disassembling the stock brake system down to a bare axle
- Cleaning and preparing housing and axle flanges
- Installing the new rotor, calliper mounting bracket, and callipers with the proper washers, shims, and spacers
- Following the recommended torque settings (for example, 155 in-lb for rotor bolts, 47 ft-lb for calliper nuts) and using red Loctite® 271 on fasteners as needed
Remember to verify that all components fit correctly by checking your axle housing flange pattern, axle offset, and other critical measurements. It is a good idea to take photos during the disassembly process for troubleshooting later if needed.

FITMENT AND COMPATIBILITY

This kit is built for vehicles with the Big Ford new style rear axle flange and a 2.36-inch offset. It matches OE parking brake cable routing and is intended to maintain compatibility with factory braking systems including the master cylinder and ABS, where present. Always verify all measurements and wheel fitment before purchase. Final fitment may require minor adjustments if there are clearances issues with shocks or other suspension components.