ATI Performance 5.67in 25% Underdrive Harmonic Balancer — Fits GM Y-Body

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SKU: BHZJ_918847
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Unlock Hidden Horsepower with UnderdriveThe ATI Performance 5.67-inch 25% Underdrive ...Read More

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Sale price$414.50 Regular price$423.99
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

Unlock Hidden Horsepower with Underdrive

The ATI Performance 5.67-inch 25% Underdrive Super Damper is designed for the performance-minded GM Y-Body owner. By reducing the accessory drive speed, this balancer frees up parasitic horsepower that is otherwise wasted, giving your engine a noticeable boost in throttle response and overall power output.

Precision Performance for Y-Body

This damper doesn't just provide power gains; it also offers world-class vibration control. Constructed from a lightweight aluminum and steel combination, it is SFI 18.1 certified, ensuring that it is safe for high-RPM operation. The 5.67-inch diameter is precision-machined to ensure perfect belt alignment and long-term durability in your Y-Body vehicle.

  • 5.67-inch OD for 25% underdrive performance
  • Frees up parasitic horsepower
  • Aluminum and steel construction for weight reduction
  • SFI 18.1 certified for competition
  • Internal balance for smooth engine operation

If you are looking to maximize your Y-Body's performance, an underdrive damper is a must-have modification. It provides the perfect balance of power gains and engine protection. Trust the experts at GGCRACING to provide the high-quality components you need to take your build to the next level. Experience the difference that professional-grade engineering makes in your vehicle's performance.

Product Details

Product Description
Part Numbers
Sizing & Fit

Unlock Hidden Horsepower with Underdrive

The ATI Performance 5.67-inch 25% Underdrive Super Damper is designed for the performance-minded GM Y-Body owner. By reducing the accessory drive speed, this balancer frees up parasitic horsepower that is otherwise wasted, giving your engine a noticeable boost in throttle response and overall power output.

Precision Performance for Y-Body

This damper doesn't just provide power gains; it also offers world-class vibration control. Constructed from a lightweight aluminum and steel combination, it is SFI 18.1 certified, ensuring that it is safe for high-RPM operation. The 5.67-inch diameter is precision-machined to ensure perfect belt alignment and long-term durability in your Y-Body vehicle.

  • 5.67-inch OD for 25% underdrive performance
  • Frees up parasitic horsepower
  • Aluminum and steel construction for weight reduction
  • SFI 18.1 certified for competition
  • Internal balance for smooth engine operation

If you are looking to maximize your Y-Body's performance, an underdrive damper is a must-have modification. It provides the perfect balance of power gains and engine protection. Trust the experts at GGCRACING to provide the high-quality components you need to take your build to the next level. Experience the difference that professional-grade engineering makes in your vehicle's performance.

Product Details

Product Description

Unlock Hidden Horsepower with Underdrive

The ATI Performance 5.67-inch 25% Underdrive Super Damper is designed for the performance-minded GM Y-Body owner. By reducing the accessory drive speed, this balancer frees up parasitic horsepower that is otherwise wasted, giving your engine a noticeable boost in throttle response and overall power output.

Precision Performance for Y-Body

This damper doesn't just provide power gains; it also offers world-class vibration control. Constructed from a lightweight aluminum and steel combination, it is SFI 18.1 certified, ensuring that it is safe for high-RPM operation. The 5.67-inch diameter is precision-machined to ensure perfect belt alignment and long-term durability in your Y-Body vehicle.

  • 5.67-inch OD for 25% underdrive performance
  • Frees up parasitic horsepower
  • Aluminum and steel construction for weight reduction
  • SFI 18.1 certified for competition
  • Internal balance for smooth engine operation

If you are looking to maximize your Y-Body's performance, an underdrive damper is a must-have modification. It provides the perfect balance of power gains and engine protection. Trust the experts at GGCRACING to provide the high-quality components you need to take your build to the next level. Experience the difference that professional-grade engineering makes in your vehicle's performance.

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