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The Wilwood caliper O-ring kit contains three square seal sizes—1.75, 1.38 and 1.38 inches—in a 6-pack for caliper rebuilds and seal replacement. Intended to restore piston-to-caliper sealing, this set supports multi-size applications during maintenance. Include the kit when servicing compatible calipers to refresh seals, reduce leak risk and help maintain consistent braking feel after reassembly.
Wilwood O-Ring Kit - 1.75in/1.38/1.38in Square Seal - 6 pk.
