ATI Performance BBC 918870E Harmonic Balancer, 7.074 Inch Outer Diameter, Aluminum and Steel Construction, Black Oxide Finish, Internal Balance for Big Block Chevy Engines

The ATI Performance BBC 918870E harmonic balancer is engineered to deliver high durability and precise vibration damping for Big Block Chevy engines. Featuring a 7.074-inch outer diameter, this harmonic balancer combines aluminum and steel materials to provide a robust yet lightweight component. Its black oxide finish enhances corrosion resistance and aesthetic appeal, making it suitable for demanding racing and performance applications.

Designed with internal balance, this harmonic damper ensures optimal engine stability by effectively absorbing torsional vibrations. Its construction adheres to SFI 18.1 safety standards, making it a reliable choice for high-performance and racing environments. The ATI Performance harmonic balancer is compatible with a range of Big Block Chevy engines, providing a direct replacement that maintains engine integrity and smooth operation.

Installation is straightforward, and the unit’s durable materials ensure long-lasting performance under extreme conditions. Whether upgrading your existing setup or building a high-performance engine from scratch, this harmonic damper offers the precision and reliability required for competitive and recreational automotive applications.

Features:

• Outer Diameter: 7.074 inches for effective vibration dampening

• Materials: Aluminum and steel construction for strength and lightweight design

• Finish: Black oxide coating for corrosion resistance

• Balance: Internal balancing to optimize engine stability

• Standards: Meets SFI 18.1 safety certification

• Application: Designed for Big Block Chevy engines