Speedmaster Large GM Front Metric Brake Caliper 7" Pin RH Side 7/16" Inlet PCE521.1001

The Speedmaster PCE521.1001 is a large GM front metric brake caliper engineered for 1978-1988 General Motors vehicles equipped with metric braking systems. This right-hand-side caliper features a 7-inch pin configuration and 7/16-inch inlet fitting, making it a direct replacement for original factory components in front-wheel brake assemblies on compatible classic and vintage GM models.

Designed for restoration, repair, and performance upgrade applications, this metric caliper delivers reliable hydraulic braking performance for street-driven and weekend cruiser projects. The precision-engineered construction ensures proper fluid delivery and consistent pad engagement, critical for safe stopping power in vintage GM powertrains. Whether you're rebuilding an original brake system or upgrading to improved stopping capability, this OEM-style caliper integrates seamlessly with existing 1978-1988 GM brake lines and wheel assemblies.

Key Features & Benefits

• 7-Inch Pin Design: Engineered with a 7-inch pin configuration for correct fitment and alignment on 1978-1988 GM front brake assemblies.
• Metric Caliper Construction: Metric system design ensures proper compatibility with GM vehicles manufactured during the transition to metric specifications.
• RH Side Application: Right-hand-side orientation allows for proper brake line inlet positioning and balanced braking performance.
• 7/16-Inch Inlet: 7/16-inch hydraulic inlet fitting matches OEM brake line connections on compatible 1978-1988 GM models.
• Large-Format Body: Full-size caliper body delivers maximum brake pad surface area for reliable stopping power and heat dissipation.

Specifications

Ideal Applications

• Restoration and rebuilding of 1978-1988 GM front brake systems
• Vintage muscle car and classic Chevrolet, Pontiac, Oldsmobile, and Buick brake upgrades
• Street rod and hot rod brake assembly replacement
• OEM-style brake system repairs on metric-spec GM vehicles