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The Wilwood caliper piston (1.75" x 1.25" thermlock) is a direct-fit replacement part for caliper rebuilds and brake maintenance. Supplied to Wilwood dimensional specifications, it restores piston travel and sealing during a brake overhaul. Use with the correct seals and hardware for your Wilwood caliper; confirm piston dimensions against your caliper before ordering.
Wilwood Piston Thermlock - 1.75in x 1.25in
