FK Bearings - Caster Increasing Rear Inner Bushings - With Control Arms, Steel Uprights

B5004A1-FK-CA-ST

• Increased steering response and feedback

• Increased road feel

• Perfectly maintained alignment settings under load (more grip, less tire wear on track)

• No binding or flexing

• 6 spherical control arm bushings with motorsport-grade PFTE-lined spherical bearings

  • 2 Front LCA Forward Inner

  • 2 Front LCA Shock Fork

  • 2 Front LCA Rearward Inner

• FK WSSX10T bearings are standard, optional upgrade to Aurora PWB-10T bearings

  • Both options feature a stainless steel ball and race and bonded PTFE liner

• Caster-increasing rearward offset bushing available

• Pressed into high-quality OE-equivalent Delphi arms

• B5 A4/S4/RS4

• B6/7 A4/S4/RS4

• C5 A6/S6/RS6/allroad

• D2 A8/S8

• B5.5 Passat

• Vehicles with steel and aluminum uprights have different ball joint sizes. If purchasing assembled control arms, please make sure to select the correct option.