Z1 Motorsports Nissan 370Z (09-20) / Infiniti G37 (08-13) Adjustable Front Upper Control Arms

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Z1 Motorsports Adjustable Front Upper Control Arms for Nissan 370Z, Infiniti G37, Q40, Q50, & Q60.

Inspected, assembled, re-inspected, and packaged in-house by Z1's trained staff, these FUCAs arrive ready to install right out of the box.  A professional alignment is strongly recommended after the installation of the arms.   Made of 4130 chrome-moly hardened alloy steel, these arms are strong enough to take any track abuse you can throw at them, while maintaining good ride quality and solid performance. They feature a durable powder coated black and silver veined finish which is attractive for show cars, and chemical resistant.  All hardware is custom CNC machined with Black Hard Anodize and Bright Zinc finishes.  Z1 Control arms are 100% rebuildable and use sturdy heim joints / ball joints for maximum durability and performance.

Z1 Motorsports Adjustable Front Upper Control Arms feature an offset outer ball joint location in order to deliver an optimal caster increase. Increasing the amount of positive caster will increase steering effort and straight-line tracking, as well as improve high-speed stability and cornering effectiveness. Positive caster also increases camber when cornering as the steering angle is increased to keep your Z planted through hard corners.  

Our design allows arm length adjustment on both the inboard and outboard ends of the arm, providing the most range of camber adjustment for stance or tracking for the serious motoring enthusiast.  Like other aftermarket adjustable tube frame style FUCAs, if a 370Z is lowered more than an inch these arms may contact a vertical metal ridge at the top of the fender well when during hard cornering or bumps.  A sound might be heard but it poses no risk or structural damage.  We have not seen this issue on Infiniti models and it can be eliminated by clearancing or bending over the sheet metal ridge on the Z34. 

Street versions feature Energy Suspension Urethane Comfort Bushings for minimum flex, and maximum ride comfort. They are fully rebuildable and available for purchase separately through Z1 Motorsports. They are also fully serviceable with included grease fittings for long product life and minimal noise.

Race versions feature heim joints with solid race bushings to minimize flex and maximize performance. As a result, increased vibrations and noise may be noted. Z1 recommends using our Street Version if this is a concern.

Due to their modular design, Z1 Motorsports Adjustable Front Upper Control Arms can be interchanged from Urethane to Solid Race components within an hour and can be purchased separately. This reduces the need to purchase multiple Upper Control Arms, greatly reducing expenses, and leaving you with more money in your pocket!

Note: These control arms must be removed in order to adjust them properly.

These Front Upper Control Arms fit the following models:

• '07+ G35 / G37 Sedan
• '08+ G37 Coupe
• '09+ 370Z
• '14+ Q40
• '14+ Q50
• '14+ Q60