null

ATI Damper - 6.325" - Steel - 4 Bolt OEM - 4" Long - B Timing - 3 Ring (Ford Small Block & 6 Cylinder Engines) ATI918921

Image is a representation of this item.
Actual item may vary.

Item#:
APPATI918921
$421.84
Price: $384.50
(You save $37.34 )
(No reviews yet) Write a Review
UPC:
800157029400
Availability:
Special order
LTL:
N
MPN:
ATI918921
Product ID:
361610
Proposition 65:
N
Category:
Engine Components>Crankshaft Dampers
Core:
N
Clearance Item:
N

ATI Damper – 6.325in – Steel – 4 Bolt OEM – 4in Long – B Timing – 3 Ring (Ford Small Block & 6 Cylinder Engines) – ATI918921

Premium Harmonic Damper for Ford Small Block & 6-Cylinder Engines

The ATI 6.325-inch Steel Super Damper (part ATI918921) is engineered for maximum performance and durability in Ford Small Block and 6-cylinder engines. With its 4-inch length, B-Timing hub, and 3-ring configuration, this damper provides superior harmonic control and balance across the entire RPM range. Constructed from high-strength steel and SFI 18.1 certified, it’s ideal for street and race engines requiring precise vibration damping and long-term reliability.

Performance Highlights

  • 6.325-inch outer diameter compact design for tight engine bays
  • 3-ring construction offers optimized harmonic absorption
  • 4-bolt OEM pattern ensures perfect fitment on Ford Small Block & 6-cylinder applications
  • B-Timing hub enables accurate ignition reference and smooth operation
  • Steel housing guarantees durability and stable performance under high load
  • SFI 18.1 certified for racing safety compliance
  • Fully rebuildable design for extended service life

Quick Specs

  • Outer Diameter: 6.325 inches
  • Material: Steel
  • Design: 3-Ring Super Damper
  • Length: 4 inches
  • Bolt Pattern: 4-Bolt OEM
  • Timing: B-Timing
  • Certification: SFI 18.1
  • Part Number: ATI918921

Why Choose the ATI918921 Super Damper?

The ATI918921 Super Damper offers unmatched vibration control for high-performance Ford Small Block and 6-cylinder engines. Its proven design minimizes crankshaft stress, improves throttle response, and ensures consistent performance at high RPM. Whether your goal is race-winning reliability or smooth street drivability, this damper delivers professional-grade performance and durability.

Frequently Asked Questions

Is this a direct OEM replacement?

Yes. The 4-bolt OEM configuration ensures direct-fit installation with stock Ford pulleys and accessories.

What is the benefit of B-Timing?

The B-Timing hub provides accurate ignition alignment for consistent timing under all RPM conditions.

Does the damper support high-RPM use?

Absolutely. This damper is SFI 18.1 certified and built for both racing and high-output street engines.

Can the ATI918921 be rebuilt?

Yes. Like all ATI Super Dampers, this model is fully rebuildable for long-term reliability and performance tuning.

Fitment

  • Ford Small Block V8 Engines (260, 289, 302, 351W, 351C)
  • Ford Inline 6-Cylinder Engines (144, 170, 200, 250)

Why Buy from Beefcake Racing?

Beefcake Racing is your trusted source for ATI Super Dampers and high-performance Ford components. Our experts can help you choose the ideal damper for your setup—whether it’s a street build or a dedicated race engine. Contact us at sales@beefcakeracing.com or call 1-855-827-7223 for personalized assistance and unbeatable support.

CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov