Whiteline · New
Whiteline 11-21 Subaru WRX STI / 15+ WRX Front Race Anti-Dive Caster Kit
MPN KCA425M · Store SKU whlKCA425M
Supplier stock checked 11/7/2026, 9:45:42 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
Whiteline's 'MOTORSPORT ONLY' Anti Geometry Kit for 2011 Subaru WRX STI (excludes WRX) replaces the front control arm rear vertically mounted bushing and features lightweight aluminum housing with high performance/low compliance bearings for optimum dynamic alignment under the high rigors of motorsport applications. Positive static caster gains can also be achieved by the offset orientation of the bearing and all motorsport kits come in 'STEALTH BLACK'. Unique to any Whiteline Anti geometry kit before it, KCA425M allows STI owners to tune geometry from Anti Lift to Anti Dive via a combination of recommended spacers delivering a window of handling behavior to suit varying track, vehicle set up and driver needs. Control Arm Lower - Inner Rear Bushing Kit-Double Offset Whiteline Control arm - lower inner rear bushing.
Manufacturer fitment & guides
Check KCA425M against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y
