ATI Damper 7.074in Steel Chevy Big Block 3 Ring Undersize Hub 1Pc ATI917060U
High-Performance Steel Harmonic Damper with Undersize Hub for Chevy Big Block Engines
The ATI Super Damper (PN ATI917060U) is a 7.074-inch diameter, all-steel, one-piece harmonic balancer designed specifically for Chevy Big Block (BBC) engines requiring an undersize hub for precision fitment. Featuring a 3-ring inertia assembly, this damper provides exceptional torsional vibration control, ensuring smoother power delivery, improved crankshaft durability, and increased engine longevityeven in the most demanding high-RPM environments.
The undersize hub allows for a tighter interference fit on crank snouts that have seen wear or machining, restoring perfect alignment and vibration damping efficiency. SFI 18.1 certified and race-proven, the ATI917060U is the go-to choice for professional engine builders and racers who demand absolute precision and reliability.
Performance Highlights
- Undersize Hub Design: Ideal for crankshafts with minor wear or machining adjustments, ensuring a secure fit.
- 7.074 Outer Diameter: Compact and efficient for high-performance BBC applications.
- All-Steel, 1-Piece Construction: Built for maximum durability and consistent harmonic control.
- 3-Ring Inertia Assembly: Delivers broad-spectrum vibration damping at any RPM.
- SFI 18.1 Certified: Approved for all major racing sanctioning bodies.
Quick Specs
- Part Number: ATI917060U
- Application: Chevy Big Block Engines
- Diameter: 7.074 in.
- Construction: 1-Piece Forged Steel
- Inertia Assembly: 3-Ring
- Hub Type: Undersize (for Tight Fitment)
- Material: Billet Steel
- Finish: Black Zinc Coating
- Safety Rating: SFI 18.1 Certified
- Compatibility: ATI Super Damper Systems
Install Note: Designed for Chevy Big Block applications requiring an undersized hub for proper crankshaft fitment and damper security.
Why Choose the ATI Super Damper 917060U?
The ATI 917060U Super Damper provides professional-grade vibration control with precision undersize fitmentperfect for engines with worn or refinished crank snouts. Its 3-ring steel construction ensures unmatched harmonic balance and stability, protecting bearings, crankshafts, and rotating assemblies from fatigue. Its the ultimate choice for high-horsepower BBC builds where precision and durability are paramount.
FAQs
Q: What makes the U version different from the standard ATI917060?
A: The ATI917060U features an undersize hub for a tighter fit on slightly worn or machined crank snouts.
Q: Is it SFI-approved for racing?
A: Yes. The ATI917060U is fully SFI 18.1 certified for competition use.
Q: What applications benefit from this design?
A: Any Chevy Big Block engine requiring maximum vibration control and a precision interference hub fit.
Vehicle Fitment
- Chevy Big Block Engines (396, 427, 454, 502, 572)
- Common Applications: Camaro, Chevelle, Nova, Corvette, Impala, and custom BBC race or marine builds
About Beefcake Racing
Beefcake Racing is your trusted source for Chevy Big Block and high-performance engine components, offering expert support and unbeatable pricing. Whether you're upgrading with an ATI Super Damper or assembling a full BBC power package, our team helps you get it right the first time. Contact us today at sales@beefcakeracing.com or call 1-855-827-7223 for personalized advice from true gearheads.
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