GKTech V2 Z34 370z / G37 4130 Chromoly Super Lock Lower Control Arms
GKTech V2 Z34 370z / G37 4130 Chromoly Super Lock Lower Control Arms
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In-stock orders are processed within 48 hours; transit time is additional.
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Need help with a return? Request authorization within 30 days of delivery for eligible unused, uninstalled items. See details for exclusions and applicable fees.
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Request return authorization (RMA) within 30 days of delivery for eligible items. Keep items unused and uninstalled, with original packaging and accessories. Electronics, liquids, special orders and other categories are excluded.
Email sales@frsport.com with RETURN and your order number in the subject to request an RMA. Please wait for return authorization before sending your item back.
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Original shipping is non-refundable. For orders shipped free, the actual outbound shipping cost is deducted from the refund. Return shipping is prepaid by the customer.
After payment capture, cancellations and refunds generally incur a 5% processing fee, except for our error, confirmed defects or confirmed carrier loss. The 5% and 20% fees do not stack; only the greater applicable fee applies. Store credit waives the 5% fee, but applicable return fees remain.
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For defective items, contact us for help with the manufacturer's warranty process. The manufacturer decides the claim.
Specifications
- Shipping dimensions (L × W × H)
- Shipping weight
- 21.5 lb
Billable shipping weight; may include dimensional weight.
The new V2 GKTECH Super Lock front lower control arms simplify, improve and replace the front lower control arm and compression rods on the Z34 370z/G37, 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.
These arms are adjustable, at their minimum length they start at +32mm over OEM and adjust out to +72mm 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 and added adjustability to allow the strut to be moved up to 50mm inward.
Speaking of limiting factor the V2 FLCAs feature robust, stackable shims as their lock stop, to stop the wheel exactly where you need it to be stopped.
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
- Adjustable from +32mm to +72mm
- Designed to be used with OEM knuckle
- Strut mount relocated up to 50mm (adjustable) 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
Inner tie rod ends
Being that these lower control arms are longer then the OEM even at their shortest setting they do require the use of longer inner tie rod ends.
We do offer longer inner tie rod ends, however, they do use a different rack thread pitch to the OEM Z34 rack which is also why we list the conversion rack spacers in both a straight bolt on and offset rack spacer.
If you think you will run into steering bind with your setup, then the offset rack spacers are recommended. If not the straight bolt on rack spacers will do the trick!
The above options are only for the Z34/G37 only.
If you have a RZ34 Z then you would need to select the RZ34 Z inner tie rod end option as they are chassis specific.
