These spacers are used with Z1 Motorsports front upper control arms to provide a static increase (or decrease) in caster for suspension fine-tuning. They can be installed in either position to allow for more or less caster, and are sold in a complete set for two front upper control arms.

• Provides +/- 0.5° of caster change
• Compatible with "race" version arms only
• Purchase services a pair of two (2) arms

Fits the following arms:

• Z1 2023+ Nissan Z Adjustable Front Upper Control Arms
• Z1 2023+ Nissan Z Forged Front Upper Control Arms
• Z1 Adjustable Front Upper Control Arms 370Z G37 Q50 Q60
• Z1 370Z / G37 Forged Front Upper Control Arms
• Z1 Adjustable Front Upper Control Arms 350Z G35
• Z1 350Z / G35 Forged Front Upper Control Arms
• Z1 Q50 / Q60 Forged Front Upper Control Arms