Description
BC Racing ZX coilover kit Toyota Supra MK4 JZA80 (93-02) 12/6 kg/mm
The BC Racing ZX coilover kit Supra JZA80 (part number C-15-ZX) is a coilover kit adjustable in height and damping, also simply called a coilover, for the Toyota Supra MK4 (JZA80), model years 1993 to 2002, and according to BC Racing UK also the Toyota Soarer (JZZ30). The spring rate is 12 kg/mm front and 6 kg/mm rear.
The ZX is the 3-way adjustable coilover kit from BC Racing, combining the characteristics of the DS and the ER. You set low-speed compression in 20 clicks, high-speed compression in 12 clicks and rebound in 30 clicks, on upright monotube dampers with double piston and external reservoir.
For the Supra MK4, BC Racing supplies the ZX with 12/6 kg/mm, the same springs as the BR and DS for the JZA80. The kit is made for competitive track use, long sessions and demanding drifting, which suits a Supra that is often on track.
Key benefits
- 3-way adjustable: 20 clicks low-speed compression, 12 clicks high-speed compression, 30 clicks rebound.
- External reservoir: upright monotube with double piston.
- Digressive damping: firm control during slow body movements.
- Racing oil: with a very high viscosity index.
- Spring rate 12/6 kg/mm: the same as the BR and DS for the JZA80.
- Replaceable upper mount: camber plates on suitable kits, rubber top mounts optional.
- Rebuildable: the dampers can be rebuilt.
- For drifting and long sessions: made for competitive track use.
Suitable for
Toyota Supra MK4 (JZA80) with rear-wheel drive, model years 1993 to 2002, and according to BC Racing UK also the Toyota Soarer JZZ/UZZ (1991 to 2000)
- Drift competitions and drift days
- Long sessions on track
- Drivers who want to set low-speed and high-speed compression separately
Technical specifications
- Manufacturer: BC Racing
- Part number: C-15-ZX
- Series: ZX, 3-way for competition use
- Spring rate front/rear: 12/6 kg/mm
- Damper design: upright monotube with double piston and external reservoir, digressive, racing oil with a very high viscosity index
- Damping: 3-way, 20 clicks low-speed compression, 12 clicks high-speed compression, 30 clicks rebound
- Ride height: infinitely adjustable via the damper body
- Top mounts: replaceable upper mount, camber plates on suitable kits, rubber top mounts optional
- Contents: dampers and springs front and rear, lower mounts, top mounts where applicable, adjustment spanners and warranty card with serial number
- Warranty: 1 year on manufacturing defects; noise from track use is not covered by the warranty
Fitting and delivery
The kit is vehicle-specific and replaces the original dampers and springs. We recommend having it fitted by an experienced mechanic. Position the reservoirs so that the lines are routed clear, and have the wheel alignment set again after adjusting the kit. The delivery time is 1 to 2 weeks as long as the manufacturer has stock. If BC Racing is temporarily sold out of the kit, you can still order and we will let you know the expected delivery date.
The BC Racing C-15-ZX is a 3-way adjustable coilover kit with external reservoir for the Toyota Supra JZA80, supplied with 12 kg/mm front and 6 kg/mm rear.
Why choose this ZX coilover kit Supra JZA80?
A Supra MK4 that runs in drift competitions or long track sessions asks a lot of its dampers. The ZX is built for that: with separate adjustment of low-speed and high-speed compression, you tune the response to slow body movements and to sharp impacts independently of each other. On top of that, you adjust rebound in 30 clicks.
BC Racing coilover kits for the Toyota Supra JZA80
Overview of the BC Racing series for the Toyota Supra JZA80 supplied by Race4DriftParts, with the BC Racing part number. Spring rates in kg/mm, front/rear.
| Series | Part number | Springs f/r | Damping | Intended for |
|---|---|---|---|---|
| BR | C-15-BR-RS | 12/6 | 30 clicks, linear, rubber top mounts front | Road with the occasional track day |
| DS | C-15-DS-DS | 12/6 | 30 clicks, digressive, rubber top mounts front | Track-focused, sporty road use |
| ER | C-15-ER | 14/10 | 2-way, 30 clicks per direction, external reservoir | Serious track and competition use |
| ER | C-15-ER | 16/12 | 2-way, 30 clicks per direction, external reservoir | Serious track and competition use |
| ZX (this kit) | C-15-ZX | 12/6 | 3-way (20/12/30 clicks), external reservoir | Competition, long sessions, drifting |
For the Lexus SC300 and SC400 (JZZ30), BC Racing has separate kits. Their part numbers start with R-15.
Frequently asked questions
What is the difference between the BC Racing ZX and ER coilover kits for the Toyota Supra JZA80?
The ZX is 3-way adjustable, the ER 2-way. With the ZX coilover kit Supra JZA80 you set low-speed and high-speed compression separately in addition to rebound; with the ER, compression and rebound. For the JZA80, the ZX has 12/6 kg/mm, the ER 14/10 or 16/12 kg/mm.
Does the BC Racing ZX coilover kit fit every Toyota Supra MK4 JZA80?
Yes, BC Racing UK releases the C-15-ZX for the rear-wheel drive Supra JZA80 from 1993 to 2002 and mentions no exceptions. BC Racing UK also lists the same kit for the Toyota Soarer JZZ/UZZ (1991 to 2000).
Can I get the BC Racing ZX coilover kit for the Toyota Supra JZA80 with different springs?
This ZX comes as standard with 12/6 kg/mm. If you are looking for a different spring rate for your JZA80, send us a message; we will check with BC Racing what is possible and how long it takes.
What is the delivery time of the BC Racing ZX coilover kit for the Toyota Supra JZA80?
The delivery time is 1 to 2 weeks as long as the manufacturer has stock. If the ZX for the JZA80 is temporarily sold out, you can still order it and we will pass on the expected delivery date.
Delivery outside the European Union: different shipping costs may apply. Don’t worry: we will email you as soon as possible after your order and agree the shipping with you. You are not committed to anything without your consent.
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