ATI Damper - 6.78" - Aluminum - 4 & 6 Groove - Street - 4 Percent & 9 Percent OD Sizes (1993 - 2001 Prelude w/ H22A & 1994 - 2002 Accord w/ H22A or H23A) ATI918468

ATI Damper – 6.78in – Aluminum – 4 & 6 Groove – Street – 4% & 9% Overdrive Sizes (1993–2001 Honda Prelude w/ H22A & 1994–2002 Accord w/ H22A or H23A) – ATI918468

6.78in Aluminum Street Super Damper (4% & 9% Overdrive) for 1993–2001 Honda Prelude & 1994–2002 Accord (H22A / H23A Engines)

The ATI 6.78-inch Aluminum Super Damper (part ATI918468) is a street-performance upgrade for 1993–2001 Honda Prelude and 1994–2002 Honda Accord models equipped with H22A or H23A engines. Available in both 4% and 9% overdrive sizes, this dual 4- and 6-groove pulley design offers flexibility for stock or performance accessory setups. Built from lightweight aluminum and SFI 18.1 certified, the ATI918468 delivers smoother operation, improved engine response, and long-term durability—ideal for street, autocross, or light track builds.

Performance Highlights

• Two overdrive options – 4% and 9% OD for customized power delivery
• Dual 4- & 6-groove pulley configuration for flexible belt setups
• 6.78-inch diameter balances fitment and harmonic precision
• Lightweight aluminum construction reduces rotating mass for sharper throttle response
• Street-spec damping ensures smooth operation under daily or spirited driving
• SFI 18.1 certified for professional-grade reliability
• Fully rebuildable for years of precise, repeatable performance

Quick Specs

• Outer Diameter: 6.78 inches
• Material: Aluminum
• Pulley Type: 4 & 6 Groove
• Drive Ratios: 4% and 9% Overdrive
• Design: Street Performance
• Certification: SFI 18.1
• Applications: 1993–2001 Honda Prelude / 1994–2002 Honda Accord (H22A / H23A Engines)
• Part Number: ATI918468

Why Choose ATI’s 4% & 9% OD Super Damper for H22A/H23A Engines?

The ATI918468 Super Damper combines flexibility and precision for enthusiasts who want a durable, performance-oriented solution for their H-series Honda engines. With both 4% and 9% overdrive configurations, this damper allows users to fine-tune accessory or supercharger performance while maintaining smooth, vibration-free operation. Whether for street driving or weekend racing, this dual-groove street damper delivers professional-level balance and long-term reliability.

Frequently Asked Questions

What’s the difference between the 4% and 9% overdrive options?

The 4% OD offers mild accessory acceleration ideal for daily drivers, while the 9% OD increases accessory or supercharger speed for enhanced performance setups.

Why does this damper have both 4 and 6 grooves?

The dual-groove configuration allows for multiple belt setups—ideal for custom builds or accessory reconfiguration without replacing the damper.

Is it suitable for daily use?

Yes. The ATI918468 is designed as a street-spec damper, providing smooth, efficient operation while improving response and longevity.

Can this damper be rebuilt?

Yes. The ATI918468 Super Damper is fully rebuildable using genuine ATI components for years of precise harmonic control and durability.

Vehicle Fitment

• 1993 Honda Prelude H22A / H23A
• 1994 Honda Prelude H22A / H23A
• 1995 Honda Prelude H22A / H23A
• 1996 Honda Prelude H22A / H23A
• 1997 Honda Prelude H22A / H23A
• 1998 Honda Prelude H22A / H23A
• 1999 Honda Prelude H22A / H23A
• 2000 Honda Prelude H22A / H23A
• 2001 Honda Prelude H22A / H23A
• 1994–2002 Honda Accord H22A / H23A

Contact Beefcake Racing

Beefcake Racing proudly carries ATI Super Dampers and top-tier import performance parts. For technical questions or to order, contact sales@beefcakeracing.com or call 1-855-827-7223. Our experts can help you select the ideal damper for your H22A or H23A-powered Prelude or Accord.

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