<p>Includes: - Harmonic Balancer</p> <p>Fits Models: - GMC C25</p> <p>Model Years: - 1975–1978</p> <p>Submodels: - Common trims include C25, with body styles typically being pickup trucks. Chassis code is likely to be C/K series.</p> <p>Engine Options: - Common engine sizes include 5.7L (350 CID) V8 and 6.6L (400 CID) V8. Engine codes may include L48 and L78.</p> <p>Description: This harmonic balancer is designed specifically for the GMC C25 from 1975 to 1978, ensuring optimal engine performance and vibration dampening. It is a crucial component for maintaining engine stability and longevity.</p> <p>Features: - Direct fit for GMC C25 models from 1975 to 1978 - Reduces engine vibrations for smoother operation - Durable construction for long-lasting performance - Easy installation with factory specifications</p> <p>Part Numbers: - 54333BQFM</p>