ATI Performance GM LS1 Harmonic Balancer Super Damper 7.074 Inch OD SFI 18.1 Aluminum and Steel

The ATI Performance GM LS1 Harmonic Balancer, part number 917211, is engineered to provide reliable vibration dampening for LS-series engines. Featuring a 7.074-inch outer diameter, this super damper is designed with a combination of aluminum and steel materials to deliver durability and effective performance under high-stress conditions. Its internal balance ensures smooth engine operation and reduces crankshaft stress, making it suitable for both street and performance applications. The damper complies with SFI 18.1 specifications, ensuring it meets racing safety standards and quality benchmarks. Easy to install, this harmonic balancer is an essential component for maintaining engine longevity and optimal performance in GM LS-series engines.

Features:

• Outer Diameter: 7.074 inches

• Material: Aluminum and Steel

• Design: Internal Balance

• Standards: SFI 18.1 Certified

• Application: GM LS-Series Engines