ATI Damper 8.074in Steel 3 Ring Heavy Cummins 4BT / 6BT Competition Only Diesel ATI917365C
Heavy-Duty Competition Steel Super Damper for Cummins 4BT & 6BT Engines
The ATI 8.074-inch Steel Heavy Super Damper (part ATI917365C) is designed specifically for competition-use Cummins 4BT and 6BT diesel engines. Built with a reinforced 3-ring heavy steel design, this damper provides the extreme torsional control required for high-RPM and high-boost racing applications. Its purpose-built for tractor pulling, drag racing, and other competitive diesel events where engine harmonics and vibration control are critical to reliability.
Performance Highlights
- 8.074-inch heavy steel shell engineered for maximum harmonic absorption under extreme load
- 3-ring competition construction provides unmatched durability at elevated RPMs
- Ideal for high-horsepower Cummins 4BT and 6BT race engines
- SFI 18.1 certified for sanctioned diesel motorsport competition
- Competition-only not intended for continuous-duty street or industrial use
Quick Specs
- Outer Diameter: 8.074 inches
- Material: Heavy Steel
- Design: 3-Ring Super Damper (Competition)
- Certification: SFI 18.1
- Engine Compatibility: Cummins 4BT / 6BT Diesel (3.9L / 5.9L)
- Intended Use: Competition Only
- Part Number: ATI917365C
Why Choose ATIs Heavy Competition Diesel Damper?
When every horsepower counts, the ATI917365C delivers unmatched crankshaft stability for aggressive race builds. The heavy 3-ring steel design minimizes crank twist and harmonic distortion at extreme boost levels, protecting the engines rotating assembly from vibration damage. Trusted by professional diesel competitors, its built to endure the harshest racing conditions with precision balance and repeatable reliability.
Frequently Asked Questions
Is this damper suitable for street or towing use?
No. The ATI917365C is a competition-only damper designed for racing, pulling, or limited-use high-performance diesel engines.
Whats the difference between ATI917365 and ATI917365C?
The C version features a heavier construction and different internal tuning optimized for competition RPM ranges and extreme boost environments.
Is it SFI certified for racing?
Yes. It carries SFI 18.1 certification, meeting all safety standards for competitive diesel motorsports.
Can this damper be rebuilt?
Yes. Like all ATI Super Dampers, the ATI917365C is fully rebuildable using official ATI replacement components.
Engine / Vehicle Fitment
- Cummins 4BT 3.9L Diesel Engine Competition Use
- Cummins 6BT 5.9L Diesel Engine Competition Use
- Compatible with truck, tractor pull, and diesel drag racing builds using Cummins 4BT/6BT platforms
Contact Beefcake Racing
Beefcake Racing carries the complete line of ATI Super Dampers for diesel performance and motorsport applications. For fitment help or to place an order, email sales@beefcakeracing.com or call 1-855-827-7223. Our experts can help you find the right damper for your high-performance Cummins build.
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