ATI Damper 7.48in Aluminum 6/4 Groove Wet Sump Excl SC Pulley (20162024 Chevrolet Camaro SS & ZL1 / 20162019 Cadillac CTS-V) ATI918856
High-Performance Super Damper for LT1 and LT4 Wet Sump Engines
The ATI 7.48-inch Aluminum Super Damper (part ATI918856) is designed for wet sump LT1 and LT4 engines found in the 20162024 Camaro SS & ZL1 and 20162019 Cadillac CTS-V. Featuring a 6/4 groove pulley configuration and exclusion of the supercharger pulley, this damper is ideal for custom or aftermarket SC drive systems. The lightweight aluminum shell minimizes rotating mass, delivering quicker revs and smoother operation under high-RPM conditions. Backed by SFI 18.1 certification and full rebuildability, its built for long-term durability and professional-grade performance both on the street and track.
Performance Highlights
- 7.48-inch outer diameter for maximum damping control and balance
- 6/4 groove pulley layout supports multi-belt accessory and supercharger systems
- Excludes supercharger pulley for use with custom blower drives
- Optimized for LT1 and LT4 wet sump engines in modern GM performance cars
- Lightweight aluminum construction reduces rotating weight and improves throttle response
- SFI 18.1 certified for competition-approved performance
- Fully rebuildable for long-term reliability and consistent performance
Quick Specs
- Outer Diameter: 7.48 inches
- Material: Aluminum
- Pulley Style: 6/4 Groove
- System Type: Wet Sump
- Supercharger Pulley: Excluded
- Engine Compatibility: LT1 / LT4
- Certification: SFI 18.1
- Design: Rebuildable
- Part Number: ATI918856
Why Choose ATIs Wet Sump Super Damper?
The ATI918856 Super Damper delivers race-proven harmonic control for LT-based engines. Its wet-sump design ensures compatibility with OEM and aftermarket oiling systems while offering flexibility for custom supercharger setups. By excluding the SC pulley, its the perfect choice for builders who want to tailor their boost drive system. The aluminum body keeps rotational weight low, improving response, balance, and durability for demanding performance builds.
Frequently Asked Questions
Does this damper include a supercharger pulley?
No. The ATI918856 excludes the supercharger pulley, allowing you to use custom or aftermarket blower drive systems.
Is it compatible with wet sump LT1 and LT4 engines?
Yes. Its specifically designed for wet sump LT1 and LT4 applications found in Camaro SS, ZL1, and CTS-V models.
Is it suitable for high-boost or racing use?
Absolutely. The damper is SFI 18.1 certified and engineered to handle high-RPM, forced-induction environments.
Can it be rebuilt or serviced?
Yes. Like all ATI Super Dampers, this model is fully rebuildable to maintain long-term precision and performance.
Fitment
- 2016 Chevrolet Camaro SS
- 2017 Chevrolet Camaro SS
- 2018 Chevrolet Camaro SS
- 2019 Chevrolet Camaro SS
- 2020 Chevrolet Camaro SS
- 2021 Chevrolet Camaro SS
- 2022 Chevrolet Camaro SS
- 2023 Chevrolet Camaro SS
- 2024 Chevrolet Camaro SS
- 2016 Chevrolet Camaro ZL1
- 2017 Chevrolet Camaro ZL1
- 2018 Chevrolet Camaro ZL1
- 2019 Chevrolet Camaro ZL1
- 2020 Chevrolet Camaro ZL1
- 2021 Chevrolet Camaro ZL1
- 2022 Chevrolet Camaro ZL1
- 2023 Chevrolet Camaro ZL1
- 2024 Chevrolet Camaro ZL1
- 2016 Cadillac CTS-V
- 2017 Cadillac CTS-V
- 2018 Cadillac CTS-V
- 2019 Cadillac CTS-V
Why Buy from Beefcake Racing?
Beefcake Racing is your trusted source for ATI Super Dampers and LT-series performance upgrades. We offer expert technical support, competitive pricing, and fast shipping on the full ATI lineup. For help choosing the perfect damper for your build, email sales@beefcakeracing.com or call 1-855-827-7223. Our experienced team of gearheads is ready to help you make the most of your LSA, LT1, or LT4 setup.
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