PROFORM 66517CC Chrome Harmonic Balancer Cover with Timing Marks for 6-3/4 in Balancers

The PROFORM 66517CC harmonic balancer cover provides a clean, finished appearance for Small Block Chevy engine builds while helping highlight timing marks during ignition and tuning adjustments. Designed for harmonic balancers measuring 6-3/4 inches, this cover is a practical addition to performance-oriented engine compartments and restoration projects.
The cover features a polished chrome finish that complements chrome and bright-finish engine components. Its aluminum construction offers a lightweight solution with the durable appearance expected for street, show, and performance applications. The integrated timing mark design helps make ignition timing checks easier when properly installed with a compatible balancer and timing pointer.
The PROFORM 66517CC is designed specifically for Small Block Chevy applications using the appropriate 6-3/4-inch harmonic balancer. Before installation, verify balancer size, engine configuration, accessory clearance, and timing pointer compatibility. This product is supplied as an individual cover and is intended for enthusiasts, builders, and technicians seeking a functional and visually refined engine detail.

Features:

• Brand: PROFORM

• Part Number: 66517CC

• Application: Small Block Chevy engines

• Compatibility: Designed for 6-3/4 in harmonic balancers

• Material: Aluminum construction

• Finish: Chrome finish for a polished engine appearance

• Timing Marks: Integrated marks support ignition timing adjustments

• Package Contents: One harmonic balancer cover