Product Description:
This new reproduction A/C compressor bracket mounting hardware kit is designed for compatible 1998-2002 Chevrolet Camaro and Pontiac Firebird models equipped with the 5.7L LS1 V8 and GM-style A/C compressor bracket number 12556677.
The OE-style bolt kit replaces missing, damaged or stripped mounting hardware so the LS1 air-conditioning bracket can be secured in its intended factory-style location.
| Feature | Product specification |
| Producer | Hawks Restoration Parts |
| Product type | A/C compressor bracket mounting hardware |
| Vehicle platform | Fourth-generation GM F-Body |
| F-Body years | 1998-2002 |
| Additional application | 2004-2006 Pontiac GTO LS1 / LS2 |
| F-Body engine | 5.7L LS1 V8 |
| Required bracket | GM-style bracket 12556677 |
| Hardware style | OE-style replacement |
| Condition | New reproduction |
| Quantity | One application-specific bolt kit |
| Application | Required configuration |
| 1998-2002 Chevrolet Camaro Z28 / SS | 5.7L LS1 with compatible GM-style A/C bracket 12556677 |
| 1998-2002 Pontiac Firebird Formula / Trans Am | 5.7L LS1 with compatible GM-style A/C bracket 12556677 |
| 2004-2006 Pontiac GTO | Compatible LS1 or LS2 installation using bracket 12556677 |
Verify the bracket casting or part reference before ordering. This listing supplies the bracket-mounting hardware only and is not the complete bracket, tensioner or pulley kit.
- One reproduction A/C compressor bracket mounting-hardware kit
- OE-style fasteners for use with compatible bracket 12556677
- Application coverage for the verified F-Body and GTO configurations
The A/C compressor, bracket, belt tensioner, idler pulley, serpentine belt, refrigerant lines and complete air-conditioning system are not included.
For Bracket 12556677
The kit is intended to mount the compatible GM-style A/C compressor bracket identified by reference number 12556677. Do not assume it fits another LS accessory bracket based only on engine family.
Hardware-Only Listing
HM12556677-BLTKIT is the mounting-bolt kit. The complete reproduction bracket package is a separate product with its own bracket, tensioner, idler pulley and hardware.
Correct Fastener Practice
Accessory brackets require clean threaded holes, correct fastener locations and factory torque procedures. Damaged engine threads or a cracked bracket must be repaired before installation.
- Allow the engine to cool, disconnect the battery and recover refrigerant professionally if A/C system opening is required.
- Confirm that the installed or replacement bracket is the compatible GM-style 12556677 design.
- Document every original fastener location, length and bracket attachment point before disassembly.
- Remove damaged hardware carefully and inspect the bracket and engine threads for cracks, corrosion or stripping.
- Clean the threaded holes and compare each replacement fastener with its intended location.
- Position the bracket squarely without using the bolts to draw a misaligned part into place.
- Start all fasteners by hand, then tighten them in the factory sequence to the specified torque.
- Reinstall related components, verify belt alignment and check A/C operation according to the service manual.
What does this kit mount?
It mounts the compatible GM-style LS1 A/C compressor bracket referenced as number 12556677.
Is the A/C bracket included?
No. This is the bracket-mounting hardware kit only.
Does it fit 1998-2002 Camaro and Firebird LS1 models?
Yes, when the vehicle uses the compatible factory-style 12556677 A/C bracket arrangement.
Does it also fit a Pontiac GTO?
Hawks lists compatible 2004-2006 GTO LS1 and LS2 applications using the same bracket arrangement.
Are torque specifications included?
Use the correct factory service information for fastener locations, tightening sequence and torque values.
