ATI Damper 6.325in Steel 3 Ring 1Pc (Chevy Small Block / 90° V6 409 Pontiac 4 Cylinder) ATI917781
Compact Steel Super Damper for Chevy Small Block, 90° V6, 409, and Pontiac 4-Cylinder Engines
The ATI 6.325-inch Steel Super Damper (part ATI917781) delivers exceptional harmonic control for a wide range of Chevy Small Block V8, 90° V6, 409 big block, and Pontiac 4-cylinder applications. Built from premium steel and engineered as a 1-piece, 3-ring damper, this model provides unmatched stability at high RPM while maintaining a compact size for tight engine bays. Ideal for performance builds requiring precision balance and long-term durability.
Performance Highlights
- 6.325-inch outer diameter for superior vibration damping in a compact housing
- Solid steel 1-piece design ensures long-term strength and precise balance
- 3-ring configuration provides consistent harmonic absorption across the RPM range
- Compatible with multiple GM engine families, including 409 big block and Pontiac 4-cylinder
- SFI 18.1 certified and fully rebuildable for racing and street performance
Quick Specs
- Outer Diameter: 6.325 inches
- Material: Steel
- Design: 1-Piece, 3-Ring Super Damper
- Applications: Chevy Small Block, 90° V6, 409, Pontiac 4-Cylinder
- Certification: SFI 18.1
- Part Number: ATI917781
Why Choose ATIs 6.325in Super Damper?
The ATI917781 offers high-end balance control and reliability in a compact format. Its precision-machined steel body and 3-ring design prevent torsional vibrations that can damage crankshafts or bearings. Ideal for performance restorations, racing, or marine use, this damper ensures smoother operation and enhanced engine life across multiple GM platforms.
Frequently Asked Questions
What engines is this damper compatible with?
It fits Chevy Small Block V8, 90° V6, Chevy 409, and Pontiac 4-cylinder engines sharing standard GM crankshaft hub dimensions.
Does it work with factory pulleys?
Yes. The ATI917781 maintains OEM alignment, allowing the use of stock or aftermarket pulley systems.
Is it approved for competitive racing?
Yes. Its SFI 18.1 certified, making it fully legal and safe for drag, circle track, and road racing events.
Can this damper be rebuilt?
Absolutely. Like all ATI Super Dampers, its fully rebuildable with genuine ATI service components to maintain optimal performance.
Vehicle Fitment
- Chevy Small Block V8 Engines
- Chevy 90° V6 Engines
- Chevy 409 Big Block Engines
- Pontiac 4-Cylinder Engines
Contact Beefcake Racing
Beefcake Racing carries the full line of ATI Super Dampers and high-performance GM engine components. For questions or orders, email sales@beefcakeracing.com or call 1-855-827-7223. Our team can help you find the right damper for your build, from Small Block street cars to classic 409s.
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