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This Wilwood stainless steel caliper piston is a 2.00-inch cup-style replacement for GM metric calipers, intended for caliper rebuilds and service. The stainless cup construction resists corrosion and provides a precise sealing surface for hydraulic actuation. Use as a direct replacement where the OEM dimensional callout matches; pair with proper seals and installation procedures to restore caliper function.
Wilwood Piston - 2.00in SS Cup - GM Metric
