Wilwood 300-11879 Caliper Bracket Spacer Kit for Radial Mount FNSL4R and Aero4 Rear Disc/Drum

The Wilwood 300-11879 is a caliper bracket spacer kit designed for use with Wilwood's Internal Drum Parking Brake systems. This kit provides the hardware necessary to precisely position caliper mounting brackets at specific axle offsets, ensuring correct caliper alignment in rear disc/drum brake configurations.

Compatible Caliper Applications:

• Designed specifically for use with Radial Mount FNSL4R caliper kits
• Compatible with Aero4 radial mount caliper kits
• For use with Wilwood rear disc/drum internal parking brake bracket assemblies

Kit Contents:

• Caliper bracket spacers
• Mounting bolts
• Washers

Key Features:

• Sets caliper brackets to precise axle offset specifications
• Complete hardware kit — spacers, bolts, and washers included
• Engineered to work within Wilwood's modular rear brake system architecture
• Refer to Wilwood's accompanying offset drawing for correct application selection

This spacer kit is an essential component when building or servicing a Wilwood rear disc/drum brake system with an internal drum parking brake. Proper bracket offset ensures accurate caliper positioning relative to the rotor, maintaining optimal brake performance and pad wear.