Parts/Suspension & steering/Shock towers & mounts/Shibata GRK 4mm Carbon Fiber Double Position Rear Shock Tower
Shibata GRK 4mm Carbon Fiber Double Position Rear Shock Tower
Shibata

Shibata GRK 4mm Carbon Fiber Double Position Rear Shock Tower

Part # GRK-R31S320
Where to buy
$41.80
AMain Hobbies
Seen Oct 12, 2026
$41.80Buy
Prices are as last seen at the store; stock is not tracked.

About this part

Shock Tower Overview:

Dial in your rear-end setup with the GRK 4mm Carbon Fiber Double Position Rear Shock Tower. Ultra-lightweight, highly rigid, and packed with adjustability, it delivers precise tuning, improved balance, and sharper handling for serious performance gains.

About the Carbon Fiber Double Position Rear Shock Tower


Performance Fine-Tuning

The Shibata GRK 4mm Carbon Fiber Double Position Rear Shock Tower is made from 4mm thick carbon fiber, delivering a super lightweight yet highly rigid structure that enhances chassis strength and performance. Featuring dual shock mounting positions developed from GRK4 feedback, it allows precise damper tuning, including vertical W position compatibility for optimized piston positioning. CNC-machined for exact precision, it ensures a perfect fit with easy installation and removal, while 3mm upper arm shaft mounting holes support M3 screws and pillow balls for added versatility. Its lightweight design lowers the center of gravity, improving chassis balance, stability, and overall handling for a more responsive driving experience.

Features:

  • Made from 4mm 100% carbon fiber
  • Dual shock mounting positions for fine-tuning
  • Compatible with vertical W position setup
  • CNC-machined for precise fit and easy installation
  • 3mm mounting holes support M3 screws and pillow balls
  • Lowers center of gravity for improved handling

Includes:

  • (1) GRK 4mm Carbon Fiber Double Position Rear Shock Tower
CA Residents Prop 65 Warning WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov Details...

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