SKU: ATI917776 | UPC: 800157029288
ATI Damper 6.325in Steel Chevy LS Smooth C-Bore Front 3 Ring (1997+ LS Vehicles)
ATI 917776 Super Damper is a precision crankshaft harmonic balancer built for Chevrolet Gen III/IV LS engines. This 6.325 inch diameter steel damper fits 1997 and later LS1 LS2 LS6 LS7 equipped vehicles from Corvettes and Camaros to Silverado trucks. It controls torsional vibrations absorbs crankshaft flex and maintains timing accuracy up to 12500 RPM.
Key Features
- Steel Shell Construction: Delivers robust protection against high stress and heat in performance builds
- SFI 18.1 Certification: Passes rigorous race standards for safety and reliability on track
- C-Bore Front Design: Matches LS crank snout for secure fit without spacers
- Smooth Pulley Surface: Accepts custom serpentine or race pulleys directly
- Three Timing Marks: Provides multiple reference points for accurate camshaft and ignition timing
Product Notes
- Neutral balance matches factory internally balanced LS cranks
- Black anodized aluminum inner sleeve resists corrosion
- Elastomer compound tuned for drag street and oval track use
Installation Notes
- Professional installation recommended.
- Torque crank bolt to 240 ft-lbs with ARP or ATI thread locker
- Requires factory or ATI crank bolt and washer kit ATI-919853
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1997-2004 | Chevrolet | Corvette | Base Z06 LS1 LS6 |
| 1998-2002 | Chevrolet | Camaro | Z28 SS LS1 |
| 1998-2002 | Pontiac | Firebird | Formula Trans Am LS1 |
| 2004-2006 | Pontiac | GTO | Base LS1 LS2 |
| 1999-2007 | Chevrolet | Silverado 1500 | 4.8L 5.3L 6.0L |
| 1999-2007 | GMC | Sierra 1500 | 4.8L 5.3L 6.0L |
| 2007-2013 | Chevrolet | Silverado 1500 Classic | 5.3L 6.0L |
Why Choose ATI?
- Proven in NHRA Top Fuel Funny Car and Pro Stock since 1989
- CNC machined in USA from billet materials
- Backed by decades of dyno and track testing
Frequently Asked Questions
- Q: Will this damper fit LS7 engines in C6 Corvettes?
A: Yes fits LS7 6.2L and all 4.8L 5.3L 5.7L 6.0L LS cranks with 6.325 inch OD - Q: What material is used in the damping ring?
A: High-performance elastomer compound bonds steel outer shell to aluminum inner sleeve - Q: What is the warranty coverage?
A: Limited lifetime warranty to original purchaser covers defects in materials and workmanship
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Secure foam protected box 7.3 x 7.2 x 4.1 inches
- Weight: 11.6 lbs
