This is the exact same as C-4487A, except it also includes J-45709-4 Fixture Tool for GM models.
For most jobs, other tools are needed in addition to this kit. Feel free to contact us if you'd like help determining what tools are needed for your job.
Applications: GM & Chrysler Dana 60. Includes J45709-1, J45709-2, J45709-3, J45709-4