ACDelco Silver 18A123A Non-Coated Vented Rear Disc Brake Rotor Core Casting Assembly for Classic GM F-Body Performance Platforms

Product Features & Operations:

• Precision Mill Balanced Structure: Every raw casting iron disc component undergoes full electronic mill balancing sequences to eliminate weight distribution variations across outer parameter sections, delivering vibration-free vehicle tracking sweeps without ugly external link tags.

• Directional Air Cooling Vane Vents: Formulated with an original equipment directional configuration channel vane routing matrix embedded deep inside the dual rotor faces to rapidly guide ambient heat away from brake pad seats and eliminate brake fade during performance stops.

• Non Directional Ground Brake In Finish: Finished across primary vehicle friction tracks using fine abrasive smooth non directional surface cross patterns to allow newly installed ceramic or semi metallic pad linings to seat completely even without chatter.

• Reinforced Stress Relief Radius Cast: Engineered utilizing specialized smoothed radiused curvature construction boundaries at the intersection point joining the mounting bell frame to the main wear surface disc to safely dissipate lateral expansion strains under stress.

• Pristine Uninstalled Quality: This premium high performance suspension casting wheel component arrives completely uninstalled and immaculate, remaining safely packed within an uncrushable factory internal plastic preservation bag with perfectly clean machined patterns.

Vehicle Compatibility Details:

• Pontiac Firebird 1980 Trans Am WS6 Package

• Pontiac Firebird 1980 Formula WS6 Package

• Pontiac Firebird 1980 Esprit WS6 Package

• Pontiac Firebird 1980 Indy Pace Car Edition

• Pontiac Firebird 1981 Trans Am WS6 Package

• Pontiac Firebird 1981 Formula WS6 Package

• Pontiac Firebird 1981 Esprit WS6 Package