Z1 Adjustable Front Upper Control Arms 370Z G37 Q50 Q60
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Product Description

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. These ball joints are relatively inexpensive and replacements are readily available HERE.

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 VS RACE

Like Z1's other suspension arms, two versions of our front upper control arms are available for purchase. The street version features fully forged bushing ends loaded with Energy Suspension urethane bushings. This provides the most appropriate feel for street-driven cars and offers the least amount of NVH. They are fully serviceable with replacement bushings available and a grease fitting on top for easy routine service.

The race version is ideal for those looking to maximize performance and aren't concerned about increases in NVH. Solid heim-style bushing ends eliminate bushing deflection, providing the most direct feel. The race end's slightly shorter overall length provides more negative camber than the street version. This is ideal for track cars and those looking for more adjustability. Another benefit to the race version is the ability to fine-tune the caster by lengthening the adjuster on one side of the arm. This is only possible on the race version, as the heim joint provides more articulation where this is not possible with urethane bushings.

OPTIONS

In the product options, you can select to add a Z1 Jam Nut Wrench to your order. This is used to aid in the final tightening of the jam nuts after install and alignment and is an important tool used to ensure the jam nuts receive sufficient torque.

These Front Upper Control Arms fit the following models:

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

Z1 Adjustable Front Upper Control Arms 370Z G37 Q50 Q60

Fits models: 370Z / G35 / G37 / Q50 / Q60 2014-2016 / Q60 ...
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$329.99

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Z1 Adjustable Front Upper Control Arms 370Z G37 Q50 Q60
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Z1 370Z / G37 Adjustable Rear Camber Arms
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What our customers say

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Harry
November 20, 2024
The Z1 Adjustable Front Upper Control Arms are a solid choice for anyone looking to upgrade their suspension setup like myself. Their adjustability, high-quality construction, and for improved handling, they significantly enhance the driving experience. However, it's essential to weigh the benefits against the potential for increased road noise and the need for professional alignment after installation. Overall, these control arms are a worthwhile investment for those seeking to maximize the performance of their vehicles.
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Jonathan
October 16, 2024
They work but damn they’re noisy
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William
July 9, 2024
They work And have good adjustments but they are really loud
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Tomas
June 28, 2024
great product. Aligned my car to spec after lowering. They make noise though
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Randy
March 4, 2024
Tight controls, great build quality, even better price
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Robert
September 6, 2023
I've had these control arms for 2yrs now no problems, my alignment shop loved them, they do squeak a little bit but not awful, I do try and grease them every 4500-5000 miles,A+
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Hassan
August 24, 2023
Great product. Highly recommend
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Dante
July 11, 2023
There was a full 2degrees positive of caster that was not able to be corrected do to the nature of the arms when combine with the front upper control arms from z1. And one of the fittings on the front upper control arms was cracked.
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Joseph
May 17, 2023
Their great. Should come with a little tube of the formula 5 for the squeak
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Alexander
February 6, 2023
looks good, affordable, good quality. but I don't like that its very tedious to adjust for camber. But you pay for what you get. overall not the worse option.
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David
October 11, 2022
Love these, ordered this product because I had inner tire ware from being lowered, since I installed them no issues thanks Z1
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Nicolas
December 15, 2021
Install is easy enough. I get some squeeze, but not as bad as others have said. Make sure you grease once a year and the squeeze is hardly noticeable. As for adjustment, these are a set it and forget it. As others have said, you have to remove the upper knuckle to make adjustments. Fortunately, I knew I was low and set it to its maximum adjustment range. Luckily, when taking it in for my alignment, I was in the green with camber and toe was able to be adjusted as normal.
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Darin
November 20, 2021
I as well am noticing the squeak. Love the idea just wish they would have solved this issue before sending them..
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Andy
June 16, 2021
The squeaking noise was unbearable. Took re-torquing and readjusting 3 times to make it stop. Not made for quick adjustment, have to disassemble the suspension every time. Not the best thing when you don't want to be reusing the nylon locknut on the knuckle too many times. If you're looking for set it and forget it, this is a solid choice.
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Tony
June 14, 2021
Didn't realise they gave more camber than standard with the different offset of the upright top rose joint but perhaps a good thing
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Caleb
November 30, 2020
I bought the street version and the make a horrible squeaking noise. Ever after they were greased.