Wilwood - Replacement Square O-Ring Kit - 2.38"

Wilwood – Replacement Square O-Ring Kit | 2.38" Piston

The Wilwood Replacement Square O-Ring Kit (2.38") provides a convenient and reliable solution for routine maintenance and rebuilds of Wilwood brake calipers using 2.38" pistons. These square-ring seals are designed to maintain proper piston sealing and free piston travel, helping prevent leaks and ensure consistent braking performance.

Manufactured from 210M material, these seals are engineered to withstand high-temperature racing brake environments. Regular caliper maintenance with fresh square-ring seals is recommended to extend caliper life and maintain optimal brake performance.

Features & Benefits

• Square-ring seal design – Ensures proper piston sealing and retraction
• 210M material – Designed for high-heat racing brake applications
• Direct replacement fit – For Wilwood calipers with 2.38" pistons
• Service-friendly kit – Ideal for periodic maintenance and rebuilds
• Wilwood OEM quality – Precision manufactured for consistent performance

Product Specifications

• Seal Type: Square-Ring
• Material: 210M
• Quantity: 4 seals
• Piston Size Supported: 2.38"
• Seal Thickness: 0.134"