Auto Transmiss Parts 102049 Engine Harmonic Balancer for Chevy GMC Big Block

The ATP 102049 is a precision-engineered OE replacement harmonic balancer designed for Chevy and GMC big block engines with external balance configurations. This critical engine component helps dampen crankshaft vibrations to protect engine components and ensure smooth operation.

Key Features:

• Nodular iron construction with elastomer bonding for durability and proper vibration damping
• Precision-machined components dynamically balanced for optimal performance
• Engineered to meet or exceed OE specifications and SAE material standards
• External balance design with stock keyway configuration
• Three crankshaft pulley bolt holes for secure mounting
• Includes Woodruff key where necessary to replace damaged or lost pieces

Part of the ATP Graywerks line, this harmonic balancer is manufactured to OE design specifications using high-grade metals and properly bonded rubber, ensuring correct installation and reliable function. Each unit undergoes precision machining and dynamic balancing to deliver the performance your engine needs.