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The Wilwood caliper O-ring kit supplies square seals sized 1.75 and 1.38 inches in a 4-pack for brake caliper rebuilds and seal replacement. It’s intended to restore piston sealing and help maintain hydraulic integrity during routine maintenance. Use these direct-replacement seals when servicing compatible Wilwood-style calipers to refresh stopping performance and prevent fluid leaks.
Wilwood O-Ring Kit - 1.75/1.38in Square Seal - 4 pk.
