Whiteline Front Caster Kit — Fits 02-07 Subaru WRX/STI & 93- Subaru Impreza

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SKU: WHLKCA375
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About Whiteline Whiteline is the Australian leader in handling-focused suspension ...Read More

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Sale price$125.99 Regular price$137.88
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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

About Whiteline

Whiteline is the Australian leader in handling-focused suspension hardware — anti-sway bars, control arm bushings, alignment correction kits, and limited-slip differentials. Engineered for Subaru WRX/STI, Mitsubishi EVO, and modern performance platforms.

Watch in action

Elevate Your Subaru's Performance with Whiteline Caster Kits

Experience a significant upgrade in handling dynamics with the Whiteline Front Caster Kit (KCA375), engineered for a wide range of Subaru models including the 2002-2007 WRX (Sedan & Wagon), 2004-2007 STI, and 1993-onwards Impreza (including non-turbo variants). This advanced kit is meticulously designed to enhance cornering grip and improve straight-line stability by increasing static caster and optimizing dynamic negative camber gain. These adjustments translate directly into a more responsive and confidence-inspiring driving experience, especially during demanding maneuvers.

Key Performance Advantages:

  • Increased Cornering Grip: Achieve higher lateral G-forces with improved tire contact.
  • Enhanced Straight-Line Stability: Reduce steering wander and maintain a confident line at speed.
  • Improved Steering Feel: Synthetic elastomer bushings deliver precise feedback and responsiveness.
  • Better Braking Performance: Optimize tire contact patch for more effective braking.
  • Durable Design: Built to withstand the rigors of performance driving.

The Whiteline KCA375 kit utilizes high-performance synthetic elastomer bushings. These bushings are crucial for maintaining suspension integrity and delivering sharp, predictable steering response. By correcting and enhancing caster angles, the kit helps to counteract understeer during corner entry and mid-corner, allowing for faster, more precise line-holding. Installation is designed to be efficient, with detailed instructions provided. Unlock the full potential of your Subaru's chassis and enjoy a superior driving experience.

This kit fits numerous Subaru models, including the 2002-2007 WRX, 2004-2007 STI, various Impreza models from 1993 onwards, and compatible Saab 9-2X variants. Consult the full fitment list for your specific vehicle. Upgrade your Subaru's suspension with Whiteline's trusted engineering.

Vehicle Fitment

Years Make Model Trim
2005 Saab 9-2X Linear
2005-2006 Saab 9-2X Aero
2006 Saab 9-2X 2.5i
1998-2002 Subaru Forester Base
1998-2002 Subaru Forester L
1998-2002 Subaru Forester S
2003-2005 Subaru Forester XS
2003-2008 Subaru Forester X
2004-2005 Subaru Forester XT
2005 Subaru Forester XS L.L. Bean Edition
2005 Subaru Forester XT Premium
2006-2008 Subaru Forester X L.L. Bean Edition
2006-2008 Subaru Forester XT Limited
2008 Subaru Forester Sports 2.5 X
2008 Subaru Forester Sports 2.5 XT
1993-1994 Subaru Impreza LS
1993-1995 Subaru Impreza Base
1993-2001 Subaru Impreza L
1995-1996 Subaru Impreza LX
1995-2004 Subaru Impreza Outback
1996-1997 Subaru Impreza Brighton
1998-2005 Subaru Impreza RS
2002-2004 Subaru Impreza TS
2002-2007 Subaru Impreza WRX
2004-2007 Subaru Impreza WRX STI
2005-2007 Subaru Impreza Outback Sport
2006-2007 Subaru Impreza WRX Limited
2006-2007 Subaru Impreza WRX TR
2006-2007 Subaru Impreza 2.5i
2007 Subaru Impreza WRX STI Limited
1990 Subaru Legacy Base
1990-1996 Subaru Legacy LS
1990-2004 Subaru Legacy L
1991-1994 Subaru Legacy Sport
1991-1997 Subaru Legacy LSi
1994 Subaru Legacy Alpine Sport
1994 Subaru Legacy GT
1994 Subaru Legacy Outdoor
1994 Subaru Legacy Sun Sport
1994 Subaru Legacy Touring
1995 Subaru Legacy Base
1995-1998 Subaru Legacy Postal
1995-1999 Subaru Legacy Outback
1995-2000 Subaru Legacy Brighton
1996-2004 Subaru Legacy GT
1997 Subaru Legacy Outback Limited
1998 Subaru Legacy GT Limited
1999 Subaru Legacy L 30th Anniversary
1999 Subaru Legacy Limited 30th Anniversary
1999 Subaru Legacy Outback Limited
1999 Subaru Legacy SUS 30th Anniversary
2000-2002 Subaru Legacy GT Limited
2003 Subaru Legacy L SE
2004 Subaru Legacy L 35th Anniversary
2000-2004 Subaru Outback Base
2000-2004 Subaru Outback Limited
2001-2003 Subaru Outback VDC
2001-2004 Subaru Outback L.L. Bean
2002-2004 Subaru Outback H6
2004 Subaru Outback H6 35th Anniversary Edition

…and 1 additional fitments. Contact us to confirm yours.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Whiteline

Whiteline is the Australian leader in handling-focused suspension hardware — anti-sway bars, control arm bushings, alignment correction kits, and limited-slip differentials. Engineered for Subaru WRX/STI, Mitsubishi EVO, and modern performance platforms.

Watch in action

Elevate Your Subaru's Performance with Whiteline Caster Kits

Experience a significant upgrade in handling dynamics with the Whiteline Front Caster Kit (KCA375), engineered for a wide range of Subaru models including the 2002-2007 WRX (Sedan & Wagon), 2004-2007 STI, and 1993-onwards Impreza (including non-turbo variants). This advanced kit is meticulously designed to enhance cornering grip and improve straight-line stability by increasing static caster and optimizing dynamic negative camber gain. These adjustments translate directly into a more responsive and confidence-inspiring driving experience, especially during demanding maneuvers.

Key Performance Advantages:

  • Increased Cornering Grip: Achieve higher lateral G-forces with improved tire contact.
  • Enhanced Straight-Line Stability: Reduce steering wander and maintain a confident line at speed.
  • Improved Steering Feel: Synthetic elastomer bushings deliver precise feedback and responsiveness.
  • Better Braking Performance: Optimize tire contact patch for more effective braking.
  • Durable Design: Built to withstand the rigors of performance driving.

The Whiteline KCA375 kit utilizes high-performance synthetic elastomer bushings. These bushings are crucial for maintaining suspension integrity and delivering sharp, predictable steering response. By correcting and enhancing caster angles, the kit helps to counteract understeer during corner entry and mid-corner, allowing for faster, more precise line-holding. Installation is designed to be efficient, with detailed instructions provided. Unlock the full potential of your Subaru's chassis and enjoy a superior driving experience.

This kit fits numerous Subaru models, including the 2002-2007 WRX, 2004-2007 STI, various Impreza models from 1993 onwards, and compatible Saab 9-2X variants. Consult the full fitment list for your specific vehicle. Upgrade your Subaru's suspension with Whiteline's trusted engineering.

Vehicle Fitment

Years Make Model Trim
2005 Saab 9-2X Linear
2005-2006 Saab 9-2X Aero
2006 Saab 9-2X 2.5i
1998-2002 Subaru Forester Base
1998-2002 Subaru Forester L
1998-2002 Subaru Forester S
2003-2005 Subaru Forester XS
2003-2008 Subaru Forester X
2004-2005 Subaru Forester XT
2005 Subaru Forester XS L.L. Bean Edition
2005 Subaru Forester XT Premium
2006-2008 Subaru Forester X L.L. Bean Edition
2006-2008 Subaru Forester XT Limited
2008 Subaru Forester Sports 2.5 X
2008 Subaru Forester Sports 2.5 XT
1993-1994 Subaru Impreza LS
1993-1995 Subaru Impreza Base
1993-2001 Subaru Impreza L
1995-1996 Subaru Impreza LX
1995-2004 Subaru Impreza Outback
1996-1997 Subaru Impreza Brighton
1998-2005 Subaru Impreza RS
2002-2004 Subaru Impreza TS
2002-2007 Subaru Impreza WRX
2004-2007 Subaru Impreza WRX STI
2005-2007 Subaru Impreza Outback Sport
2006-2007 Subaru Impreza WRX Limited
2006-2007 Subaru Impreza WRX TR
2006-2007 Subaru Impreza 2.5i
2007 Subaru Impreza WRX STI Limited
1990 Subaru Legacy Base
1990-1996 Subaru Legacy LS
1990-2004 Subaru Legacy L
1991-1994 Subaru Legacy Sport
1991-1997 Subaru Legacy LSi
1994 Subaru Legacy Alpine Sport
1994 Subaru Legacy GT
1994 Subaru Legacy Outdoor
1994 Subaru Legacy Sun Sport
1994 Subaru Legacy Touring
1995 Subaru Legacy Base
1995-1998 Subaru Legacy Postal
1995-1999 Subaru Legacy Outback
1995-2000 Subaru Legacy Brighton
1996-2004 Subaru Legacy GT
1997 Subaru Legacy Outback Limited
1998 Subaru Legacy GT Limited
1999 Subaru Legacy L 30th Anniversary
1999 Subaru Legacy Limited 30th Anniversary
1999 Subaru Legacy Outback Limited
1999 Subaru Legacy SUS 30th Anniversary
2000-2002 Subaru Legacy GT Limited
2003 Subaru Legacy L SE
2004 Subaru Legacy L 35th Anniversary
2000-2004 Subaru Outback Base
2000-2004 Subaru Outback Limited
2001-2003 Subaru Outback VDC
2001-2004 Subaru Outback L.L. Bean
2002-2004 Subaru Outback H6
2004 Subaru Outback H6 35th Anniversary Edition

…and 1 additional fitments. Contact us to confirm yours.

Product Details

Product Description

About Whiteline

Whiteline is the Australian leader in handling-focused suspension hardware — anti-sway bars, control arm bushings, alignment correction kits, and limited-slip differentials. Engineered for Subaru WRX/STI, Mitsubishi EVO, and modern performance platforms.

Watch in action

Elevate Your Subaru's Performance with Whiteline Caster Kits

Experience a significant upgrade in handling dynamics with the Whiteline Front Caster Kit (KCA375), engineered for a wide range of Subaru models including the 2002-2007 WRX (Sedan & Wagon), 2004-2007 STI, and 1993-onwards Impreza (including non-turbo variants). This advanced kit is meticulously designed to enhance cornering grip and improve straight-line stability by increasing static caster and optimizing dynamic negative camber gain. These adjustments translate directly into a more responsive and confidence-inspiring driving experience, especially during demanding maneuvers.

Key Performance Advantages:

  • Increased Cornering Grip: Achieve higher lateral G-forces with improved tire contact.
  • Enhanced Straight-Line Stability: Reduce steering wander and maintain a confident line at speed.
  • Improved Steering Feel: Synthetic elastomer bushings deliver precise feedback and responsiveness.
  • Better Braking Performance: Optimize tire contact patch for more effective braking.
  • Durable Design: Built to withstand the rigors of performance driving.

The Whiteline KCA375 kit utilizes high-performance synthetic elastomer bushings. These bushings are crucial for maintaining suspension integrity and delivering sharp, predictable steering response. By correcting and enhancing caster angles, the kit helps to counteract understeer during corner entry and mid-corner, allowing for faster, more precise line-holding. Installation is designed to be efficient, with detailed instructions provided. Unlock the full potential of your Subaru's chassis and enjoy a superior driving experience.

This kit fits numerous Subaru models, including the 2002-2007 WRX, 2004-2007 STI, various Impreza models from 1993 onwards, and compatible Saab 9-2X variants. Consult the full fitment list for your specific vehicle. Upgrade your Subaru's suspension with Whiteline's trusted engineering.

Vehicle Fitment

Years Make Model Trim
2005 Saab 9-2X Linear
2005-2006 Saab 9-2X Aero
2006 Saab 9-2X 2.5i
1998-2002 Subaru Forester Base
1998-2002 Subaru Forester L
1998-2002 Subaru Forester S
2003-2005 Subaru Forester XS
2003-2008 Subaru Forester X
2004-2005 Subaru Forester XT
2005 Subaru Forester XS L.L. Bean Edition
2005 Subaru Forester XT Premium
2006-2008 Subaru Forester X L.L. Bean Edition
2006-2008 Subaru Forester XT Limited
2008 Subaru Forester Sports 2.5 X
2008 Subaru Forester Sports 2.5 XT
1993-1994 Subaru Impreza LS
1993-1995 Subaru Impreza Base
1993-2001 Subaru Impreza L
1995-1996 Subaru Impreza LX
1995-2004 Subaru Impreza Outback
1996-1997 Subaru Impreza Brighton
1998-2005 Subaru Impreza RS
2002-2004 Subaru Impreza TS
2002-2007 Subaru Impreza WRX
2004-2007 Subaru Impreza WRX STI
2005-2007 Subaru Impreza Outback Sport
2006-2007 Subaru Impreza WRX Limited
2006-2007 Subaru Impreza WRX TR
2006-2007 Subaru Impreza 2.5i
2007 Subaru Impreza WRX STI Limited
1990 Subaru Legacy Base
1990-1996 Subaru Legacy LS
1990-2004 Subaru Legacy L
1991-1994 Subaru Legacy Sport
1991-1997 Subaru Legacy LSi
1994 Subaru Legacy Alpine Sport
1994 Subaru Legacy GT
1994 Subaru Legacy Outdoor
1994 Subaru Legacy Sun Sport
1994 Subaru Legacy Touring
1995 Subaru Legacy Base
1995-1998 Subaru Legacy Postal
1995-1999 Subaru Legacy Outback
1995-2000 Subaru Legacy Brighton
1996-2004 Subaru Legacy GT
1997 Subaru Legacy Outback Limited
1998 Subaru Legacy GT Limited
1999 Subaru Legacy L 30th Anniversary
1999 Subaru Legacy Limited 30th Anniversary
1999 Subaru Legacy Outback Limited
1999 Subaru Legacy SUS 30th Anniversary
2000-2002 Subaru Legacy GT Limited
2003 Subaru Legacy L SE
2004 Subaru Legacy L 35th Anniversary
2000-2004 Subaru Outback Base
2000-2004 Subaru Outback Limited
2001-2003 Subaru Outback VDC
2001-2004 Subaru Outback L.L. Bean
2002-2004 Subaru Outback H6
2004 Subaru Outback H6 35th Anniversary Edition

…and 1 additional fitments. Contact us to confirm yours.

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