ATI Damper 7.074in Aluminum w/Blower 6 Bolt 3 Ring 2nd 1/4 Key (Chevy Big Block w/ Chrysler Front) ATI918870E
High-Performance Blower Super Damper for Big Block Chevy with Chrysler Front
The ATI 7.074-inch Aluminum Super Damper (part ATI918870E) is engineered for Chevy Big Block engines featuring a Chrysler-style front drive. Designed specifically for blower applications, this damper incorporates a 6-bolt hub pattern, 3-ring aluminum construction, and a 2nd 1/4-inch keyway for maximum crankshaft stability under extreme power. The precision-balanced aluminum design minimizes rotating mass, improving throttle response while maintaining superior harmonic control. Built to handle the brutal demands of supercharged drag racing and high-horsepower builds, this unit is SFI 18.1 certified and fully rebuildable for long-term reliability.
Performance Highlights
- 7.074-inch outer diameter ensures optimal damping efficiency at high RPM
- Blower drive configuration supports high-boost forced-induction engines
- 6-bolt hub pattern for secure mounting under heavy loads
- 2nd 1/4-inch keyway provides additional crankshaft locking strength
- 3-ring aluminum construction delivers strength with reduced rotating weight
- Designed for Chevy Big Block engines using Chrysler-style front assemblies
- SFI 18.1 certified for competition-level safety compliance
- Fully rebuildable to maintain peak performance over time
Quick Specs
- Outer Diameter: 7.074 inches
- Material: Aluminum
- Design: 3 Ring
- Hub Style: 6-Bolt, Dual Key (2nd 1/4 Key)
- Drive Type: Blower
- Engine Application: Chevy Big Block w/ Chrysler Front
- Certification: SFI 18.1
- Part Number: ATI918870E
Why Choose ATIs Blower Super Damper?
The ATI918870E Super Damper is purpose-built for extreme Chevy Big Block blower engines that use a Chrysler-style front drive. The dual-key configuration ensures rock-solid crankshaft engagement under high torque and boost pressure. The lightweight aluminum shell helps the engine rev faster, while ATIs proven damping technology eliminates harmonic vibration that can cause bearing wear, crank fatigue, and power loss. Whether on the drag strip or dyno, this damper offers the control and confidence serious engine builders demand.
Frequently Asked Questions
Why is the 2nd keyway important?
The 2nd 1/4-inch keyway provides extra security against hub slippage under extreme torque and boost conditions common in blower applications.
What engines will this fit?
This damper is designed for Chevy Big Block engines equipped with a Chrysler-style front drive system.
Is this damper suitable for drag racing?
Absolutely. Its SFI 18.1 certified and built to handle high-RPM, forced-induction drag racing conditions.
Is the damper rebuildable?
Yes. Like all ATI Super Dampers, its fully rebuildable for long-term durability and consistent performance.
Why Buy from Beefcake Racing?
Beefcake Racing is your trusted source for ATI Super Dampers and high-performance engine components. We offer expert technical support, fast shipping, and competitive pricing across the full ATI product line. For help choosing the right damper for your blower setup, email sales@beefcakeracing.com or call 1-855-827-7223. Our performance experts are ready to help you build a stronger, more reliable engine.
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