Available Part Numbers
5x114.3 Conversion front hubs (pair) GT86-FCNV
5x114.3 front Conversion rotors (pair) 2935724
5x114.3 Conversion rear hubs (pair) GT86-RCNV
AT LAST! The GKTECH 5x114.3 conversion hubs are now available - a bolt on solution for converting your 86 / BRZ or GR86 from 5x100 to 5x114.3 stud pattern.
It's common knowledge the 5x100 stud pattern leads to some less desirable wheel choices, a serious lack of availability, poor sizing and unable to run the classic favourites we've all grown to love over the years of modifying cars. With this conversion, we've made it possible to simply remove the old 5x100 hubs and install our 5x114.3 hubs.
- Heat treated structural steel body and flange
- Grade 10.9 studs pre installed using OEM ID of 14.3mm
- Compatible in both 5x100 and 5x114.3 configurations
- Compatible with OEM ABS systems
- OEM Hub offsets
- OEM quality bearings, seals and quality SHELL grease pre installed
- Optional HFM slotted front rotor for BRZ/GTS
- Included 5x114.3 template for easy DIY rotor re-drilling
Both front and rear hubs come ready to install, with bearings and studs pre installed - making it easier than ever. For those using BRZ or GTS calipers we're providing a ready to go front disc option, those using Brembo (PP) calipers simply re-drill the rotors to the desired 5x114.3 pattern using the template provided.
For Brembo brakes please check the inside of the rotor is flat for the hub to mount to, some rotors have an internal lip that is not compatible. Alternatively you could use aftermarket rotors that do not have this internal lip.
Installing the rear hubs couldn't be easier, using the template provided you can re-drill the OEM disc and install with all model calipers your car has installed. What makes it even better? It's completely reversible as the hubs are compatible in both 5x100 and 5x114.3 configurations!
Due to the rise and fall of other brands' conversion hubs, we have to be meticulous in testing and confident in the product before offering it to the public. To start with, choosing the right wheel bearing that is both affordable for the customer and meets the level of performance we require can be a little difficult. We made SURE these were ready for motorsport and daily driving needs, with testing including: Cyclical loading through a range of real world load cases including extreme high loads to simulate impacts, up to 800kg of load (equivalent to a total car weight of 3200kg). Over 900hrs of total loaded running time, 70+ days @ 12hrs a day whilst monitored for temperature and vibration throughout the testing and MORE!
NOTE: For those not willing to re drill their OEM rear discs, there is a DBA rotor available off the shelf in 5x114.3 configuration - Part # DBA42663S-10
NOTE #2: For those using the GT model calipers in the front, you will be required to upgrade to upgrade to BRZ, GTS or Brembo caliper options. This is easily checked by measuring the front rotor, if it is 277 x 24 they are the GT model.
NOTE #3: If you are running aftermarket brakes, your front rotor must have a minimum inside diameter of 140mm to clear the conversion hubs (allowing for 1.0mm clearance)
Front fitted Brakes Requirements
277 x 24 rotor (GT models)
- Calipers must be upgraded to GTS in conjunction with the HFM conversion rotor (2935724) to be installed
or
- Calipers/Rotors to be upgraded to Brembo, re-drilled and the internal lip checked.
292 x 24 rotor (GTS models)
- HFM conversion rotor (2935724)
NOTE: CAN NOT USE OEM ROTOR
326 x 30 rotor (Brembo PP brakes)
- Re-drill rotors to 5 x114.3 and check the internal lip
or
- Replace with 08-17 WRX STI Rotor or aftermarket equivalent
Rear fitted Brakes Requirements
286 x 10 rotor (GT models)
- Re-drill rotors to 5 x114.3
or
- Aftermarket replacement with multi-stud
290 x 18 rotor (GTS models)
- Re-drill rotors to 5 x114.3
or
- Aftermarket replacement with multi-stud
316 x 20 rotor (Brembo PP brakes)
- Re-drill rotors to 5 x114.3 and check the internal lip
or
- Replace with 08-17 WRX STI Rotor or aftermarket equivalent
FAQs
Can I use these hubs as 5x100?
Yes! You will need to remove the pre installed studs and install the studs into the 5x100 holes!
I don't feel comfortable re-drilling my rear rotors, is there an off the shelf option available for rear discs?
Yes, DBA DBA42663S-10.
I have dual rear calipers on my car, will I still be able to install the rear hubs?
Yes, as they are made to OEM standard - they're completely compatible with dual caliper setups with any variant of the rear calipers.
Do they use 1.25 or 1.5 studs?
They use 1.25, as per OEM!
What is the hub bore size?
The conversion hubs have the OEM hub size of 56.1mm
I drive my car on the road, will ABS still work?
Yes, our hubs have OEM offsets and tone wheels - completely compatible with the OEM ABS systems.
Are any further modifications needed to install?
For those using BRZ or GTS front calipers, some clearancing is required on the caliper to ensure adequate clearance. Check out our install video here for a step by step guide:
Will these work with BBKs? (Big Brake Kits)
If you are running aftermarket brakes, your front rotor must have a minimum inside diameter of 140mm to clear the conversion hubs (allowing for 1.0mm clearance)
Can I use aftermarket or extended wheel studs with these hubs?
Yes, our hubs have the same inside diameter as the OEM hubs and as such any stud that is to suit the OEM hubs will work with these hubs.
VEHICLE COMPATIBILITY
Subaru
BRZ ZC6
BRZ ZD8
Toyota
GR86 ZN8
GT86 ZN6
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