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This Wilwood caliper O-ring kit offers 1.88 and 1.75 inch square seals in a 4-pack for caliper service and rebuilds. The set is intended to renew piston sealing surfaces and reduce the risk of brake fluid leaks during maintenance. Select this kit when matching those seal sizes in compatible Wilwood-style calipers to restore hydraulic reliability and consistent pedal response after reassembly.
Wilwood O-Ring Kit - 1.88/1.75in Square Seal - 4 pk.
