Speedmaster GM Dual Piston Front Caliper with Brake Pads, 13" Left Side, PCE521.1007

The Speedmaster PCE521.1007 is a GM-specification dual piston front caliper assembly with integrated brake pads, designed for 13" brake systems on compatible General Motors vehicles. This left-side caliper delivers direct OEM-style replacement performance for brake service and restoration projects, combining the caliper housing and friction material in one complete unit to simplify installation and reduce downtime.

Dual piston design provides balanced pressure distribution and consistent braking force across the rotor. The caliper assembly is engineered for vehicles that originally ran 13" brake systems and is available as a left-side component to accommodate complete axle rebuilds. With brake pads pre-installed, this unit is ready for immediate fitment without requiring separate pad acquisition, making it ideal for DIY mechanics and professional technicians performing brake maintenance, restoration, or upgrade work on compatible GM platforms.

Key Features & Benefits

• Dual Piston Design: Two pistons distribute braking pressure evenly for reliable, consistent stopping performance.
• Brake Pads Included: Pre-installed friction material eliminates the need for separate pad purchases.
• 13" Caliper Spec: Engineered for 13" brake systems on compatible GM vehicles.
• Left Side Mount: Designed for left-side axle position on applicable General Motors models.
• OEM-Style Fitment: Direct replacement component meets original equipment specifications and dimensions.

Specifications

Ideal Applications

• Brake system replacement and restoration on compatible GM vehicles
• Front axle brake service and maintenance projects
• Classic or vintage GM car brake system upgrades
• Professional or DIY brake work requiring complete caliper assemblies