ATI Damper 7.074in Aluminum Internal Balance 3 Ring (1987 Buick Grand National Turbo V6) ATI917456
Lightweight Aluminum Super Damper for 1987 Buick Grand National Turbo 3.8L V6
The ATI 7.074-inch Aluminum Super Damper (part ATI917456) is a high-performance, internally balanced harmonic damper built specifically for the 1987 Buick Grand National Turbo 3.8L V6. Its lightweight aluminum shell and 3-ring design deliver precise harmonic control and faster engine response, making it perfect for both street and strip applications. Designed to withstand high boost and extreme RPM, this damper offers smoother operation and extended crankshaft life in one of the most iconic turbocharged V6 engines ever produced.
Performance Highlights
- 7.074-inch outer diameter for optimal balance between inertia and response
- Lightweight aluminum construction reduces rotating mass for quicker acceleration
- Internal balance design for precision and stability under high RPM
- 3-ring Super Damper design absorbs torsional vibration and crankshaft shock
- SFI 18.1 certified and fully rebuildable for competition-level reliability
Quick Specs
- Outer Diameter: 7.074 inches
- Material: Aluminum
- Design: 3-Ring Super Damper
- Balance Type: Internal
- Certification: SFI 18.1
- Engine Compatibility: Buick 3.8L Turbo V6
- Application: 1987 Buick Grand National
- Part Number: ATI917456
Why Choose ATIs Internal Balance Turbo V6 Super Damper?
The ATI917456 delivers precision damping and reduced rotational weight the perfect combination for high-performance turbo Buick builds. Its internally balanced design eliminates external weights, improving high-RPM stability and crankshaft longevity. Built for engines making serious boost or running aggressive cam and turbo setups, it ensures smoother operation and greater reliability whether on the street or track.
Frequently Asked Questions
Whats the difference between internal and external balance dampers?
An internal balance damper maintains crankshaft equilibrium without external weights, ideal for engines with balanced rotating assemblies.
Will this fit a stock 1987 Buick Grand National?
Yes. The ATI917456 fits the factory 3.8L Turbo V6 and works with OEM accessory drive components.
Is this damper lighter than the steel version?
Yes. The aluminum construction significantly reduces rotating mass, allowing for faster revs and improved throttle response.
Is it rebuildable or serviceable?
Yes. All ATI Super Dampers are fully rebuildable with official ATI service components for long-term reliability.
Vehicle Fitment
- 1987 Buick Grand National 3.8L Turbo V6 (Internal Balance)
Contact Beefcake Racing
Beefcake Racing is your source for ATI Super Dampers and performance upgrades for turbo Buicks and beyond. For expert support or to place an order, email sales@beefcakeracing.com or call 1-855-827-7223. Our team will help you select the ideal damper for your build.
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