Caliper GM D52 2.75in Piston .810 Rotor

The Wilwood Caliper GM D52 2.75in Piston .810 Rotor (MPN 120-15610) is a high-performance brake caliper engineered for demanding automotive applications requiring precise stopping power and thermal management. This single-piston aluminum caliper is precision-manufactured to accept 0.810-inch thick rotors and features a 12.190-inch outside diameter configuration, delivering the clamping force and fade resistance demanded by serious brake system builders and performance enthusiasts.

The D52 platform utilizes a floating mount design with 7.060-inch spacing, allowing the caliper to self-center on the rotor and distribute pressure evenly across the friction surface. The one-piston configuration reduces unsprung weight while maintaining consistent bias and modulation—critical factors for vehicles operating at the edge of adhesion. Gray anodized aluminum construction provides corrosion resistance while keeping overall caliper weight to just 4.2 pounds per unit, minimizing rotational inertia and improving brake response. The .810-inch rotor thickness specification matches OEM and aftermarket applications where thermal capacity and rigidity directly affect pedal feel and stopping consistency.

This brake caliper is purpose-built for street performance, road racing, autocross, and track day vehicles where sustained braking loads demand reliable thermal dissipation and pad wear consistency. Track operators and performance builders select the Wilwood D52 line when OEM brake hardware cannot handle repeated hard stops without fade or uneven wear patterns. The floating mount design is particularly valuable in vehicles with older or non-parallel frame geometry, where fixed calipers can induce binding or inconsistent pressure.

Wilwood calipers are engineered to tight tolerances and sold individually—verify your vehicle's caliper mounting pattern, rotor thickness, and brake line compatibility before ordering. The D52 is a versatile platform compatible with many domestic and import applications, but installation requires proper brake system knowledge and bleed procedures to ensure safety and performance.

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