Wilwood 130-8372 - O-Ring Kit | 1.50" Piston

Wilwood 130-8372 – Caliper O-Ring Kit | 1.50" Piston

The Wilwood 130-8372 Caliper Square Ring O-Ring Kit is designed for routine maintenance and rebuilds of Wilwood brake calipers using 1.50" pistons. Regular replacement of piston seals helps prevent fluid leaks and promotes smooth, free piston travel for consistent braking performance.

These square-ring seals are manufactured from Wilwood 210M material and are supplied as a 4-piece kit, making them a convenient solution for scheduled caliper maintenance.

Features & Specifications

• Caliper square-ring O-ring kit
• Piston size: 1.50"
• Seal type: Square-ring
• Material: 210M
• Quantity: 4 seals per kit
• Helps prevent leaks and piston binding
• Ideal for periodic caliper maintenance

Dimensions

• Inside Diameter: 1.500"
• Thickness: 0.099"

Applications

• Wilwood calipers with 1.50" pistons
• Brake service and rebuilds
• Circle track and performance racing brake systems