| Casting Number | C2 B978, C2 B979 |
| Abutment Clips Included | Yes |
| Caliper Type | Fixed |
| Piston Quantity | 4 |
| Piston Material | Steel |
| Inlet Fitting Type | Banjo |
| Caliper Color | Gray |
| Caliper Casting Material | Cast |
| Inlet Thread Diameter | 10.000 |
| Bleeder Thread Diameter | 10.000 |
| Piston Diameter | 51.000 |
| Mounting Hole Diameter | 14.00 |
| Friction Materials Standards Institute Pad Number | D2173 |
| Mounting Hardware Included | No |
| Caliper Slides Included | Yes |
| Pads Included | No |
| Pad Wear Sensor Included | No |
| Bleeder Screw Included | Yes |
| Mounting Bracket Included | No |
| Caliper Configuration | Friction Ready |
| Caliper Bracket Mounting Hole Size (mm) | 14 |
| Caliper Bracket Mounting Hole Thread Pitch (mm) | 2 |
| Mounting Hole Thread Diameter (in) | 0.551 |
| Inlet Thread Size | M10X1.50 |
| Bracket Required | No |
| Bracket # | NA |
| Axle Leading/Trailing | Leading |
| Hardware Kit# | NA |
| Published Bore Size | 51 |
| Mount Thread Size mm | M14-2.00 |
| Car Position | Front Left |
| Caliper Manufacturer | Ac Delco |
| Caliper Boot & Seal Kit# | 143.66031 |
| Mount Spread - Ctr2Ctr | 192mm |
| Body Air Gap | 74mm |
| Root Core# | 66066 |
| Core Family | 66066 |
| California Proposition 65 | yes |
| Bleeder Screw Cap Included | No |
| Product Grade | Premium |
| Heavy Duty Supplier | Yes |
| Dust Boot Included | Yes |
| Finish | Rust Preventative |
| Rust Preventative Coating | Yes |
| E-Waste | No |
| Manufacturing Type | Remanufactured |
| Caliper Bracket Surface Finish | Coated |
| Finish [cntrc] | Rust Preventative |
| Rust Preventative Coating [cntrc] | Yes |
| Bleeder Screw Included [cntrc] | Yes |
| New or Ramanufactured [cntrc] | Remanufactured |
| Bracket # [cntrc] | na |
| Axle Leading/Trailing [cntrc] | Leading |
| Bracket Required [cntrc] | No |
| Mount Thread Size [cntrc] mm | M14-2.00 |
| Published Bore Size [cntrc] | 51 |
| Hardware Kit# [cntrc] | na |
| Car Position [cntrc] | Front Left |
| Caliper Manufacturer [cntrc] | Ac Delco |
| Caliper Boot & Seal Kit# [cntrc] | 143.66031 |
| Mount Spread - Ctr2Ctr [cntrc] | 192mm |
| Body Air Gap [cntrc] | 74mm |
| Core Family [cntrc] | 66066 |
| Root Core# [cntrc] | 66066 |
| New Or Remanufactured | Remanufactured |
| Rust Resistant Coating | Yes |
| Mounting Bolt Included | No |
| Is Or Contains A Bulb | No |
| Is Or Contains A Battery | No |
| Is Item A Chemical | No |
| Contains Electronic Components | No |
| Product Grade [cntrc] | Premium |
| Is the item CARB affected | No |
| Part Terminology | Disc Brake Caliper |