The GKTECH Super Lock front lower control arms simplify, improve and replace the front lower control arm and compression rods on the 350z/G35, while also supporting around 65+ degrees of steering lock.
These arms are designed based off CMM data, they are CAD designed, FEA tested, have CNC machined ends and the main body is laser cut and bent from 4130 Chromoly Steel.
We have replaced the dual OEM arms and made ours one piece. By switching to a 1pc design the kinematics are altered which makes for a design that will not bind at high angle and does not cause the steering to fall onto lock, both traits of the OEM 2pc design.
Going to a one piece design also has allowed us to increase the caster angle by 2-3 degrees and this can be further increased by our front upper camber arms which have the adjustment to increase caster by up to 1 degree.
These arms are adjustable, at their minimum length they start at 0.98' (+25mm) over OEM and adjust out to 1.96' (+50mm) from OEM.
These arms have been designed with the OEM knuckle in mind, meaning they will work with our bolt on steering kit which uses the OEM knuckle.
A limiting factor with the OEM LCA is the strut to knuckle position in that the brake caliper is prone to hitting the strut when on full on lock. To assist with clearance we have moved the strut mount further inward 30mm so this limiting factor is no longer prevalent.
We still use, as we do all our arms, common sized PTFE bearings throughout the arm, which can be found locally, however, we do have them on the shelf should you wish to carry spares. We also use our high misalignment rose/ heim joints to allow the arm to rotate freely.
We also include dust boots to protect the rose/ heim joints and have lock stops built into the arm for those that want to dial down the fun.
Finally, the arms are E-coated (electrophoresis coating) for rust prevention.
- Allow for 65+ degrees of steering lock
- Reduced bind, being a 1pc design
- Reduced ‘ fall to lock syndrome’ being a 1pc design
- 2-3 degrees increased caster angle
- Adjustable from +25mm to +50mm
- Designed to be used with OEM knuckle
- Strut mount relocated inward 30mm for caliper clearance
- Adjustable link pin/ roll bar settings
- High misalignment rose/ heim joints
- CMM measured, CAD designed, FEA tested
- CNC machined ends
- Laser cut 4130 Chromoly steel design
- Nissan Z33 350z
- Infiniti G35
How much angle can I get out of these LCA's?
Our lower control arms can support around 65 degrees of steering lock!
How hard are these to fit?
They are quite easy to install but mechanical knowledge is required and recommended.
We also include an assembly guide on most product pages, that can be seen above. You are also welcome to get in touch if you need help.
But apart from that, remove your standard LCA's and compression rods and the LCA's will bolt straight in.
What happens if a bearing needs to be replaced?
They are common sized bearings, which can be found at any local bearing supplier.
The coilover bearing is a COM9T
The rose/ heim joints used are a PCML12T
However, we do have these on the shelf and can help out with replacements.
Are these suited to circuit/grip racing?
Yes, absolutely. These arms use of spherical bearings which do make them entirely useful for circuit/grip racing by eliminating bush deflection. Coupled with the built-in caster angle and the additional adjustment to increase track width.
Do I need to do any other modifications to get the most from these LCA's?
You can bolt them in as they are, however, you would only increase your track and caster angle.
Ideally, you would get these alongside our bolt on steering kit and either the bolt on rack spacers or the offset rack spacers.
This for drifting especially will give you a great deal of steering lock and be super smooth to drive with!
Will these fit my car?
We can only confirm fitment for the vehicles listed above under "confirmed fitment".
How long is the warranty on these arms?
All GKTECH suspension arms come with a lifetime warranty against manufacturing defects, this does not include crashes.
The PTFE lined rose/ heim joints come with a 1 year replacement warranty and as mentioned, they are a common size which can be found at any local bearing supplier, or we do keep them on the shelf!
Are these suspension arms legal for use on street cars?
Our understanding is that any suspension arm with a rose joint is not legal for street use in Australia. However, we do recommend that you contact your local RTA for clarification/confirmation. Whether you use a suspension arm with a rose joint on public roads is at your discretion.