ATI Damper 6.325in Steel Dry Sump 3 Ring (Buick V6 / V8 Engines Not 430455) ATI918571
6.325in Steel 3-Ring Dry Sump Super Damper for Buick V6 & V8 Engines (Excluding 430455)
The ATI 6.325-inch Steel Super Damper (part ATI918571) is purpose-built for Buick V6 and small-block V8 engines utilizing dry sump oiling systems excluding 430455 big-block applications. This 3-ring, precision-balanced steel damper delivers exceptional harmonic control, reduced crankshaft vibration, and race-ready reliability. Engineered for both high-RPM and endurance environments, its SFI 18.1 certified and trusted by professional race teams and serious engine builders alike.
Performance Highlights
- 6.325-inch outer diameter provides compact fitment and efficient damping
- 3-ring configuration ensures superior torsional vibration control
- Designed for dry sump oil systems used in high-performance race engines
- Heavy-duty steel construction withstands extreme RPM and thermal conditions
- Ideal for Buick V6 and V8 small-block engines (excluding 430455 big-blocks)
- SFI 18.1 certified for motorsport-level safety and compliance
- Fully rebuildable for extended service life and long-term precision
Quick Specs
- Outer Diameter: 6.325 inches
- Material: Steel
- Rings: 3
- System Compatibility: Dry Sump
- Certification: SFI 18.1
- Applications: Buick V6 / V8 Engines (Excluding 430455)
- Part Number: ATI918571
Why Choose ATIs Dry Sump Super Damper for Buick Engines?
The ATI918571 Super Damper is engineered for the demands of dry sump race engines where oiling efficiency and crankshaft stability are critical. Its steel 3-ring design delivers outstanding vibration control, helping prevent bearing wear and crank stress at high RPM. Perfect for Buick V6 turbo engines, small-block V8s, and custom racing applications, this damper maintains accuracy, reliability, and performance through repeated competition use.
Frequently Asked Questions
Can this damper be used on wet sump engines?
No. The ATI918571 is specifically designed for dry sump systems and should not be used on wet sump engines.
Which Buick engines are compatible?
This damper fits most Buick V6 and small-block V8 engines, excluding 430455 big-block engines. Its ideal for custom and motorsport applications.
Is it suitable for high-RPM racing use?
Yes. The steel 3-ring construction provides the strength and precision needed for high-RPM and endurance racing environments.
Is the damper rebuildable?
Yes. Like all ATI Super Dampers, the ATI918571 is fully rebuildable for long-term performance and repeat use.
Vehicle Fitment
- Buick 3.8L Turbo V6 Engines (Dry Sump Applications)
- Buick 4.1L V6 Engines (Dry Sump Applications)
- Buick 300 / 340 / 350 Small-Block V8 Engines (Dry Sump Applications)
- Custom and Race-Prepared Buick V6 / V8 Dry Sump Engines
Contact Beefcake Racing
Beefcake Racing provides ATI Super Dampers and high-performance solutions for custom and race-built engines. For questions about fitment or ordering, email sales@beefcakeracing.com or call 1-855-827-7223. Our specialists can help you choose the right damper for your Buick dry sump setup.
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

