SPL Rear Traction Arm Set

Subaru WRX/STI 2015+

Ships for free in the 48 states

SKU: SPLRTRGKWe price match!

On order from MFG
Average time to ship: 14 business days


  • Durable billet aluminum construction
  • Lightweight titanium hardware
  • Adjustable
  • Eliminates wheel hop while improving the handling 
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SPL Rear Traction Arms


  • Machined from billet 6061-T6 aluminum materials
  • The main arm is slotted to allow the use of pinch bolts
  • 360-degree rotating clamps
  • 3-piece FK bearings
  • Also designed with lightweight aluminum and titanium construction
  • Black anodized for extra protection against corrosion
  • Nickel-plated 4130 Chromoly double adjuster for quick adjustment
  • CAD designed with the aid of finite element analysis
  • Blue anodized titanium socket head screws
  • Low friction 3-piece Teflon FK heim joints/rod ends
  • Improves the handling and suspension and suspension response
  • Improves the driver feedback
  • Reduces wheel hop under launching
  • Works well on daily drivers, weekend show cars, purpose-built race cars, or rally cars
  • Sold as a pair 



These are the SPL Rear Traction Arms, and they have been designed to increase the suspension and chassis stability and the response by eliminating the bushing deflection under hard acceleration and braking. This will ultimately reduce the wheel hop under hard launches, and are ideal for those of you with larger power levels, or who enjoy participating in high-performance driving events or general spirited driving. 

SPL invested a lot of emphasis on the development of these traction arms as these are made using billet 6061-T6 construction. The main arm is slotted to allow the use of pinch bolts with SPL's 360-degree rotating clamps on their exclusive double adjuster, which is comprised of electroless nickel-plated 410 Chromoly. The hardware features blue-anodized titanium which provides more reduction in unsprung weight while prohibiting corrosion. The titanium hardware offers quick and easy adjustments without compromising strength. Additionally, these traction arms feature 3-piece FK bearing rod ends that have a Teflon liner to provide a quiet operation, low friction, and smooth articulation while eliminating bushing deflection under load. The PTFE liner is chemically bonded to the inner diameter of the race, and offers a very high load carrying capacity, and has great dynamic wear characteristics. A great suspension upgrade for enthusiasts who want improved handling on their daily driver or weekend show car, and certainly effective for those of you with purpose-built race cars or rally cars.



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