Caliper GM D52 2.38in Piston 1.25 Rotor

The Caliper GM D52 2.38in Piston 1.25 Rotor from WILWOOD delivers professional-grade stopping power for high-performance brake system builds and restorations. Built for mechanics and enthusiasts who demand reliability in street, strip, and track applications, this brake caliper represents decades of engineering refinement from one of the industry's most trusted manufacturers.

This caliper features a 2.38-inch piston design paired with a 1.25-inch rotor size, a configuration engineered to balance clamping force with modulation for controlled deceleration across varied driving scenarios. The D52 designation indicates WILWOOD's mid-range performance tier—robust enough for daily drivers yet responsive enough for spirited acceleration and braking cycles. Constructed from high-quality materials, the caliper is designed to withstand heat cycling without warping.

This caliper suits GM platform conversions, vintage muscle car restorations, and custom brake swaps where OEM components fall short of performance demands. Technicians upgrading from drum brakes to disc systems or replacing worn components will find this caliper to be a reliable choice for enhancing braking performance.