ATI Damper 7.074in Steel w/Blower 6 Bolt 3 Ring 2nd 1/4 Key (Chevy Big Block w/ Chrysler Front) ATI918871E
Heavy-Duty Blower Super Damper for Big Block Chevy with Chrysler Front
The ATI 7.074-inch Steel Super Damper (part ATI918871E) is built for Chevy Big Block engines running a Chrysler-style front drive configuration in blower or supercharged setups. Designed with 3-ring steel construction, a 6-bolt hub pattern, and a 2nd 1/4-inch keyway, this damper provides rock-solid crankshaft engagement and vibration control under extreme load. The heavy-duty steel body delivers maximum strength and stability for high-boost drag racing or marine applications. Like all ATI Super Dampers, its SFI 18.1 certified and fully rebuildable for long-term, track-proven performance.
Performance Highlights
- 7.074-inch outer diameter offers superior damping control at high RPM
- Steel 3-ring construction ensures unmatched durability under boost
- Blower configuration optimized for forced-induction powerplants
- 6-bolt hub and 2nd 1/4-inch keyway prevent slippage and crank damage
- Chrysler front compatibility for blower-style front drive systems
- Precision-balanced for smoother operation and extended bearing life
- SFI 18.1 certified for motorsport safety compliance
- Fully rebuildable for long-term consistency and serviceability
Quick Specs
- Outer Diameter: 7.074 inches
- Material: Steel
- 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: ATI918871E
Why Choose ATIs Steel Blower Super Damper?
The ATI918871E Super Damper is the ultimate solution for high-power Big Block Chevy engines running forced induction with Chrysler front drive systems. Its robust steel construction withstands the torque and stress of supercharged engines, while the dual-key design locks the hub securely to the crankshaft to prevent slippage. Built for top-tier racing applications, this damper provides the precise harmonic control needed to protect engine internals and maintain balance at extreme RPM levels.
Frequently Asked Questions
Why use a steel damper instead of aluminum?
Steel provides greater strength and thermal stability, making it ideal for high-boost and high-horsepower engines where durability is critical.
What does the 2nd 1/4-inch keyway do?
It adds an extra level of crankshaft engagement, preventing hub movement and keyway shear under heavy load or boost pressure.
Is this damper compatible with blower drive systems?
Yes. Its specifically designed for supercharged Big Block Chevy engines running Chrysler-style front drive blower setups.
Can this damper be rebuilt?
Yes. Like all ATI Super Dampers, the ATI918871E is fully rebuildable for long-term use and consistent performance.
Why Buy from Beefcake Racing?
Beefcake Racing is your trusted source for ATI Super Dampers and high-performance engine components. We provide expert support, fast shipping, and competitive pricing across the full ATI lineup. For assistance selecting the right damper for your blower application, contact us at sales@beefcakeracing.com or call 1-855-827-7223. Our team of gearheads will help you choose the right damper for your high-horsepower Big Block build.
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