Professional Products PowerForce 80003 Harmonic Balancer for Small Block Chevy 400

The Professional Products PowerForce 80003 harmonic balancer is designed for Small Block Chevy 400 engines requiring an externally balanced damper. This harmonic balancer helps control crankshaft torsional vibration, supporting smoother engine operation and protecting critical rotating assembly components during street, performance, and replacement applications.
Constructed from durable steel with a black finish, the PowerForce damper combines dependable strength with a clean appearance. Its 8-inch outside diameter is suited to compatible Small Block Chevy applications, while the external-balance design is engineered for crankshafts and rotating assemblies that require an externally balanced harmonic balancer. Verify engine configuration, pulley alignment, timing-mark location, and balance requirements before installation.
Professional Products part number 80003 is supplied as an individual harmonic balancer for Small Block Chevy 400 applications. The component is intended for proper installation using the correct fasteners, tools, and manufacturer-recommended procedures. It is not identified as an SFI-rated damper, so confirm your sanctioning-body, competition, or vehicle requirements before selecting this part. Designed for straightforward replacement or engine build use, it provides a practical solution for maintaining proper harmonic control in compatible Chevrolet small-block engines.

Features:

• Brand: Professional Products

• Part Number: 80003

• Application: Small Block Chevy 400 engines

• Component Type: Harmonic balancer

• Outside Diameter: 8 inches

• Material: Steel

• Finish: Black

• Balance Type: External balance

• Quantity: Sold individually

• SFI Rating: Not identified as SFI-rated