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Dial In Cornering Grip And Straight-Line Stability On Your Zeta Platform Car
Factory front suspension geometry on the GM Zeta platform leaves cornering grip and straight-line stability on the table. The Whiteline W83172 front caster correction control arm bushing increases static caster and dynamic negative camber gain, sharpening turn-in and reducing tramlining while Whiteline's synthetic elastomer bushings improve steering feedback and braking response.
Key Features
- Increases static caster for sharper steering feel and better high-speed stability
- Improves dynamic negative camber gain for stronger cornering grip
- Synthetic elastomer bushings improve steering feedback and braking performance
- Direct bolt-in replacement for the front lower inner control arm bushing position
- W83172 is engineered specifically for the GM Zeta and GTO platform front suspension
Fitment Table
| Year Range | Make | Model |
|---|---|---|
| 2008-2009 | Pontiac | G8 |
| 2004-2006 | Pontiac | GTO |
Specifications
| Detail | Value |
|---|---|
| Manufacturer Part Number | W83172 |
| Brand | Whiteline |
| Position | Front Lower Inner Control Arm, Caster Correction |
| Bushing Material | Synthetic Elastomer |
| UPC | Not published by manufacturer |
| Warranty | Whiteline Lifetime Limited Warranty |
What's Included
- Front lower inner control arm caster correction bushing kit
- Whiteline installation instructions
About Whiteline
Whiteline is an Australian-engineered suspension brand that designs caster and camber correction bushings to unlock performance hiding in factory suspension geometry. The W83172 uses Whiteline's synthetic elastomer formulation to give Pontiac G8 and GTO owners sharper handling and more predictable cornering.
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FAQ
What is the W83172?The W83172 is a Whiteline front lower inner control arm caster correction bushing made from synthetic elastomer for the Pontiac G8 and GTO. It increases static caster and dynamic negative camber gain for improved cornering grip and stability.
What does increasing caster do for handling?Increased caster improves straight-line stability, steering self-centering, and cornering grip, especially at higher speeds.
Does this bushing improve braking performance?Yes, the firmer synthetic elastomer bushing reduces suspension deflection under braking, which improves overall braking feel and performance.
Is this a direct bolt-in replacement?Yes, it installs at the factory front lower inner control arm bushing location with no cutting or modification required.
Does this fit both the Pontiac G8 and GTO?Yes, this bushing fits the 2008-2009 Pontiac G8 and the 2004-2006 Pontiac GTO.
Is this bushing suitable for daily driving or only track use?The synthetic elastomer compound is designed to perform well in both daily street driving and more demanding track applications.
Does this kit include a warranty?Yes, it is covered by Whiteline's lifetime limited warranty against manufacturing defects.
Is professional installation recommended?Professional installation is recommended, as the front control arm must be removed and the bushing pressed into place with proper tooling.
Install Instructions
- Raise and support the front of the vehicle safely, then remove the front wheel.
- Support the front lower control arm and remove the mounting hardware at the inner position.
- Remove the control arm and press out the worn factory bushing.
- Press in the new Whiteline caster correction bushing.
- Reinstall the control arm and torque all hardware to factory specification.
- Reinstall the wheel, lower the vehicle, and have the alignment checked and adjusted.
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