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The Wilwood billet aluminum caliper piston (1.75" diameter) is a machined replacement option described as aluminum with a billet spot. Intended for brake caliper rebuilds, this piston restores internal piston function and sealing when worn components are replaced. Verify the piston dimensions for compatibility with your Wilwood caliper and fit suitable seals and hardware during installation.
Wilwood Piston - 1.75in Aluminum - Billet Spot
