GKTECH
V2 240sx/Skyline/Z32 Rear knuckles with all new kinematics
What is a Backorder?
Q: What is backorder?
When a product is on backorder, it means that we have sold out and we are opening a back order due to popular demand. This is essentially a queue, when new stock arrives from production, we’ll send your order.Q: Will items in my order that are in stock be shipped out first?
We will send your order altogether once your backorder item is ready! You may wish to place separate orders if you want an item before the other is due back in stock.V2 240sx/Skyline/Z32 Rear knuckles with all new kinematics
Albuquerque NM
8524 Indian School Rd NE
Albuquerque NM 87112
United States
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A combined 8 years of product development and over 1,000 pairs sold we bring to you the V2 S/R/Z32 chassis rear knuckles. We have developed a lightweight yet strong drop knuckle.
They come with dual caliper brackets as standard, high-quality PTFE lined spherical bearings throughout and have all new kinematics to drastically improve anti-squat, bump steer, camber gain curves and raised roll center height. The V2 adds even more ridgidity over our very popular V1.
- Ability to run dual caliper without spacing the rotor out
- Ability to run drum brake in standard position with dual calipers (or single caliper) installed
-Ability to run Wilwood 120-10188 as a dual caliper to the OEM 9mm solid rotor.
- The drop is 40 mm - optimized for cars 40 mm lower than factory ride height (more drop would have required proprietary arms)
- High-quality PTFE lined spherical bearings throughout as standard, common bearing size so replacements are easy to get and affordable (QA1/FK part #COM10T)
- All new kinematics to significantly increase grip over regular drop knuckles
- Optimized camber curve for more even tire wear
- Optimized bump steer for toe-in under compression without OEM arms' elastokinematics
- Increased anti-squat for more rear weight transfer and traction
- Raised roll center height for better handling
- Lightweight sheet metal design optimized using finite element analyses for ultimate strength - fully dressed weight (bearings, spacers, circlips) 8.6lb (standard knuckle is 11.2lb)
- Clearance for larger GTR drive shafts
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INSTALLATION NOTES:
- To be mounted with bearing mounting holes perpendicular to the ground in static height (extended LCA's that push the wheel out to the rear of the wheel arch will NOT work well, or at all if extended too far out). Note that our rear LCA's adjust perpendicular to the centerline of the car, which makes sense.
- Will fit all GTR and Z32 chassis' with the use of an S chassis style lower coilover mounting.
- Will clear 17" rims (and even 16" rims with low offsets) and all 18" rims but please note that the closer the rim sits in the wheel-well, the greater the chance that the toe arm mount will come close to hitting. A 17x10.5 +22 Enkei RPF1 wheel was tested and still has around 5 mm of clearance (ample)
- Aftermarket camber, toe and traction rods ARE required and MUST have rose joints as the suspension mounting points on the knuckle are in significantly altered and rubber or similar wouldn't have enough misalignment to work. Lower control arms can be OEM or aftermarket and do not need to be changed. OEM bushings in lower control arms will produce different bump steer curves
- OEM S-chassis single piston calipers can be used in a single or dual configuration BUT the OEM handbrake/e-brake lever won't fit without modifications.
Alternatively you can use the single piston caliper as the foot brake and the Wilwood 120-10188 which is seen HERE as the dual caliper handbrake.
- OEM GTS-T/GT-R/Z32 2 piston calipers are a direct fit and the OEM drum assembly fits just like OEM.
- For optimal results, S14/S15 or R33 subframe is recommended, or the use of our S13/R32 RLCA anti squat kit: https://us.gktech.com/s13-240sx-r32-skyline-subframe-anti-squat-reduction-weld-in-kit
Want to know how they were designed, the benefits and more technical information? Click below:
https://au.gktech.com/news/gktech-rear-suspension-uprights/
FAQs
What makes these rear knuckles different to other drop knuckles?Our rear knuckles are not just drop knuckles, they have different suspension arm mounting points which results in altered and improved camber curves and bump steer. This results in far more grip and very predicatble grip.
Seperate to having all new kinematics these rear knuckles use spherical heim joints (a common size also incase you need to ever replace them), and have dual caliper brackets as standard.
Do these rear knuckles have clearance for GTR axles?
Yes, there is enough clearance for GTR axles.
Do you make these with a "fork" style strut mount?
We don't. We only make the version seen here.
How do I get the most out of these knuckles?
To get the most out of the kinematics improvements, an S14/S15/R33/R34 rear subframe is suggested.
Alternatively, if you have an S13/R32 subframe you can use our anti-squat reduction weld in kit, if that has been done then suggested traction rod length for this is 225mm, measuring from centre hole to centre hole.
If you are running either;
S13/R32 subframe we recommend a traction arm length of 218mm measuring from centre hole to centre hole.
S14/S15/R33/R34 subframe we recommend a traction arm length of 203mm also measuring from centre hole to centre hole.
Do you make these with brake mounts to suit Wilwood calipers?
Yes! There is also provision for the Wilwood 120-10188 Caliper which is shown on the assembly guide.
This can only be used in conjunction with the OEM 9mm solid rotor and caliper combination as the footbrake and the Wilwood 120-10188 as the hydraulic handbrake.
Will these fit my car?
We can only confirm fitment for the vehicles listed above under "confirmed fitment" however also take note that as mentioned in the product description aftermarket traction, toe and camber arms are required and they must have heim joints for misalignment.
How long is the warranty on these rear knuckles?
All GKTECH suspension products come with a lifetime warranty against manufacturing defects.
The Teflon lined heim joints come with a 1 year replacement warranty.
We stock spare bearings so even after the 12 months is up we can still help with replacements, worse case scenario they're a 5/8" spherical bearings and are readily available through your local autoshop.
Are these rear knuckles legal for use on street cars?
Our understanding is that any suspension arm with a spherical bearing is not legal for street use in Australia. However we do recommend that you contact your local RTA for clarification/confirmation. Whether you use these on public roads is at your discretion and we will not be held resonsible for the outcome.
Does the knuckle change the ride height of the car?
It does not change the ride height, it just changes the position of the rear arms to correct geometry whilst being low.
Do you carry spare parts for this product?
Yes we carry the following spare parts for this product;
Replacement Com10T Bearing -
Spare part can be found here
VEHICLE COMPATIBILITY
Nissan
R32 SKYLINE GTS-TR33 SKYLINE GTR
R33 SKYLINE GTS-T
S13 KA24 240SX
S13 KA24 HATCH
S13 SR20 240SX HATCH
S13 SR20 240SX/SILVIA
S14 240SX/SILVIA
S15 SILVIA
WARNING: Cancer and Reproductive Harm. http://www.p65warnings.ca.gov
