Description
BC Racing BR coilover kit Nissan 370Z Z34 Fairlady Z (08-20) 9/10 kg/mm
The BC Racing BR coilover kit 370Z (part number D-30-BR-RS) is a coilover kit adjustable in height and damping, also simply called a coilover, for the Nissan 370Z and Fairlady Z (Z34), Coupe and Roadster, model years 2008 to 2020. The spring rate is 9 kg/mm front and 10 kg/mm rear.
The 370Z is a heavy car with a lot of torque at the rear wheels, and that is exactly when you notice what a well set-up suspension does. The BR series is BC Racing’s all-round kit: usable every day, with enough in reserve for a track day or autocross. Monotube dampers with a linear piston, 30 clicks for compression and rebound together and a ride height that you set independently of the spring preload.
This is the standard version. The rear keeps the layout the 370Z has from the factory, with a separate spring and a separate damper. BC Racing also has True Rear kits for the 370Z, in which the spring at the rear sits around the damper; their part numbers start with D-121.
Key benefits
- All-round BR series: for daily driving and the occasional track day or autocross.
- Original rear layout: separate spring and damper at the rear, as from the factory.
- 30 clicks of damping: compression and rebound adjustable together, per damper.
- Ride height independent of the spring preload: adjustable via the damper body.
- Monotube with linear piston: calm, predictable damping.
- Spring rate 9/10 kg/mm: 9 kg/mm front, 10 kg/mm rear.
- Patented concave lower lock ring: the set ride height stays in place.
- Rebuildable: the dampers can be rebuilt.
Suitable for
Nissan 370Z and Fairlady Z (Z34), Coupe and Roadster, model years 2008 to 2020. This is the standard kit with the original rear layout; the True Rear version has its own part number (D-121).
- Everyday use with tighter road handling
- The occasional track day or autocross
- Lowering to a ride height you choose yourself
Technical specifications
- Manufacturer: BC Racing
- Part number: D-30-BR-RS
- Series: BR, all-round for the road and the occasional circuit outing
- Version: standard (not True Rear), separate spring and damper at the rear as from the factory
- Spring rate front/rear: 9/10 kg/mm
- Damper design: monotube with linear piston
- Damping: 30 clicks, compression and rebound adjustable simultaneously
- Ride height: fully adjustable via the damper body, independent of the spring preload
- Top mounts: rubber top mounts at the front, rubber or the original mounting at the rear (BC code RS)
- 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
Fitting and delivery
The kit is vehicle-specific and replaces the original dampers and springs of your 370Z. Preferably have it fitted by an experienced mechanic. After setting the ride height, have the car aligned, because camber and toe change as well. The delivery time is 1 to 2 weeks as long as the manufacturer has stock. If BC Racing briefly has the kit out of stock, you can still order and we will keep you informed of the delivery date.
The BC Racing BR for the Nissan 370Z (Z34) is the standard version with the original rear layout and has a spring rate of 9 kg/mm front and 10 kg/mm rear.
Why choose this BR coilover kit 370Z?
A 370Z on its original suspension rolls in fast corners and dives under hard braking. This kit makes the car tighter and lets you choose the ride height yourself, while it remains perfectly usable for everyday driving. With 30 clicks you tune the damping to the way you drive, and the rear layout stays as Nissan intended it.
BC Racing coilover kits for the Nissan 370Z (Z34)
Overview of the BC Racing series for the Nissan 370Z (Z34) 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 (this kit) | D-30-BR-RS | 9/10 | 30 clicks, linear, rubber top mounts front | Road with the occasional track day |
| DS | D-30-DS-DS | 9/10 | 30 clicks, digressive, rubber top mounts front | Track-focused, sporty road use |
| ER | D-30-ER | 9/10 | 2-way, 30 clicks per direction, external reservoir | Serious circuit and competition use |
| ZX | D-30-ZX | 9/10 | 3-way (20/12/30 clicks), external reservoir | Competition, long sessions, drift |
The kits in this table are the standard version, without True Rear. For the True Rear version of the Nissan 370Z (Z34), BC Racing has separate kits. Their part numbers start with D-121.
Frequently asked questions
Does the BC Racing BR coilover kit fit both the Nissan 370Z Coupe and the Roadster?
Yes. BC Racing lists the D-30 kits for the 370Z and Fairlady Z (Z34) from 2008 to 2020, and this includes the Coupe and the Roadster. If you are in doubt about your car, contact us.
What is the difference between the standard and the True Rear BC Racing BR for the 370Z?
The standard BR coilover kit 370Z keeps a separate spring and a separate damper at the rear, just as from the factory. With the True Rear kit (D-121), the spring at the rear sits around the damper, so you have a complete coilover unit at the rear.
What is the difference between the BC Racing BR and DS for the Nissan 370Z?
The BR damps linearly and is made for the road with the occasional track day; the DS damps digressively and is more track-focused. For the standard 370Z both come with 9/10 kg/mm.
What is the delivery time of the BC Racing BR coilover kit for the 370Z?
The delivery time is 1 to 2 weeks as long as the manufacturer has stock. If the kit is temporarily unavailable, you can still order it and we will let you know when it arrives.
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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