ATI Damper 5.67in Aluminum 6 Groove 25% UD No A/C 1Pc (19982002 Chevy Camaro & Pontiac Firebird / 20042006 Pontiac GTO) ATI918844
High-Performance 25% Underdrive Super Damper for LS Engines
The ATI 5.67-inch Aluminum Super Damper (part ATI918844) is precision-built for LS1-powered 19982002 Camaros and Firebirds and 20042006 Pontiac GTOs. Designed as a 1-piece underdrive damper with a 6-groove pulley and 25% reduction, it cuts parasitic drag and frees up horsepower by slowing down front accessories. Ideal for performance street and strip setups, it eliminates A/C drive for a simpler, more efficient belt system. As with all ATI Super Dampers, this model is SFI 18.1 certified, fully rebuildable, and engineered to outperform OEM dampers in both reliability and balance.
Performance Highlights
- 5.67-inch outer diameter delivers a compact fit for tight LS engine bays
- 25% underdrive frees up horsepower and reduces accessory drag
- 6-groove pulley design for serpentine drive setups
- 1-piece aluminum construction maximizes strength and minimizes weight
- No A/C drive for simplified performance configurations
- SFI 18.1 certified for track and motorsport safety compliance
- Fully rebuildable for long-term service life
Quick Specs
- Outer Diameter: 5.67 inches
- Material: Aluminum
- Pulley Style: 6 Groove
- Underdrive: 25% Reduction
- Design: 1-Piece, No A/C
- Certification: SFI 18.1
- Part Number: ATI918844
Why Choose ATIs 25% Underdrive Super Damper?
ATIs 918844 Super Damper is a proven way to reclaim lost horsepower and improve throttle response in LS1 F-body and GTO platforms. The precision-balanced design controls crankshaft harmonics that stock dampers cant handle, preventing premature bearing wear and vibration issues. If youre looking for a cleaner, lighter front-drive setup that delivers measurable gains, this damper is a must-have upgrade.
Frequently Asked Questions
How much power does a 25% underdrive damper free up?
Typically, a 25% underdrive configuration can recover 510 horsepower by reducing accessory drag, depending on your setup.
Will this damper work with factory A/C?
No. This is a No A/C version designed for simplified or race-oriented builds without air conditioning.
Is the damper SFI certified?
Yes. The ATI918844 is SFI 18.1 certified for motorsport safety and legal competition use.
Can the damper be rebuilt?
Yes. All ATI Super Dampers are fully rebuildable to maintain performance and extend service life.
Fitment
- 1998 Chevrolet Camaro
- 1999 Chevrolet Camaro
- 2000 Chevrolet Camaro
- 2001 Chevrolet Camaro
- 2002 Chevrolet Camaro
- 1998 Pontiac Firebird
- 1999 Pontiac Firebird
- 2000 Pontiac Firebird
- 2001 Pontiac Firebird
- 2002 Pontiac Firebird
- 2004 Pontiac GTO
- 2005 Pontiac GTO
- 2006 Pontiac GTO
Why Buy from Beefcake Racing?
Beefcake Racing is your trusted source for ATI Super Dampers and LS performance parts. We offer expert support, fast shipping, and competitive pricing on the full ATI lineup. For personalized help selecting the right damper, contact us at sales@beefcakeracing.com or call 1-855-827-7223. Our team of gearheads is ready to help you build your next performance upgrade.
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