»»JRZ Suspension · Motorsport Line

Designed and developed
for winners.

Professional racing dampers — double, triple and four-way adjustable. Precise control of the chassis and unsprung mass, with the adjustment range a serious program needs. Built for drivers who care about engineering.

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Interactive

Which Motorsport series fits your program?

Three questions to point you at the right level of adjustability for how you actually run the car.

1 How competitive is your program?

Track days, HPDE & club racing

Regional / national GT & time attack

Pro or factory-level

2 What do you most want out of the damper?

Proven quality & reliability — keep tuning simple

Tune curbs & bumps separately from body roll

Independent rebound control too — four-way

3 How do you make setup changes?

Driver feedback and feel

Data logging with an engineer

Our recommendation

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Talk to us about a package See it in the table

Spec comparison

11 Series · 12 Series · 12 + 50-DA

Filter by the capability you need — the table highlights the builds that qualify.

Show only builds with:

High-speed compression

Four-way (50-DA)

Reset

Feature	11 SeriesDouble adj.	12 SeriesTriple adj.	12 + 50-DAFour-way
Rebound adjustable (independent)
Compression adjustable
Split high / low-speed compression
Independent comp & rebound bleed (50-DA shaft)
High-volume canister
Adjustable gas pressure
Smooth linear piston
Adjustment range	14 / 24 comp / reb	10 / 19 / 24 LS / HS / reb	10 / 19 canister LS / HS comp +27 / 27 shaft bleed comp / reb

Standard Not available Every click an even, predictable change

The range

One platform, scaling to four-way control

60 years of GT, open-wheel, rally and off-road damper development — scaled to your program.

Workhorse

11 Series

Double adjustable

The proven two-way workhorse — independent compression and rebound on a high-volume canister. Quick to set, forgiving to live with over a season, and easy to revalve as the car develops. The right call for club, HPDE, time attack and a lot of GT programs.

Compression 14 clicks
Rebound 24 clicks
Split HS / LS comp —
50-DA four-way —
Canister High-volume
Gas pressure Adjustable
Best for Club / GT, fast setup

Pro

12 Series

Triple adjustable

Splits compression into independent high-speed and low-speed circuits on top of rebound, so you can separate curb strike and kerb response from body-control compression. The standard for serious GT and endurance teams that change setup by condition — and the base for the 50-DA four-way upgrade.

LS compression 10 clicks
HS compression 19 clicks
Rebound 24 clicks
50-DA four-way Upgrade
Canister High-volume
Gas pressure Adjustable
Best for Pro GT / endurance

Top tier

12 + 50-DA

Four-way adjustable

A 12 Series fitted with the double-adjustable 50-DA shaft: fully independent compression and rebound bleed on the shaft, on top of the canister’s high- and low-speed compression. A genuine four-way for teams with the data and engineering to exploit it.

Shaft comp bleed 27 clicks
Shaft rebound bleed 27 clicks
Canister HS comp 19 clicks
Canister LS comp 10 clicks
Independent comp & reb Yes
Canister High-volume
Gas pressure Adjustable
Best for Front-running pro teams

The four-way upgrade

The 50-DA shaft: a true four-way

The patented 50-DA is a double-adjustable shaft that turns a 12 Series into a genuine four-way damper — without giving up consistency or feel.

What it adds

Independent shaft bleed

Compression and rebound bleed circuits sit on the shaft (27 clicks each), independent of the canister’s high- and low-speed compression. Four circuits, four jobs.

Why it matters

Dial in hysteresis

Run on the shaft only, the canister only, or a blend — so you can adjust the amount of hysteresis and get the damper reacting exactly the way the driver and the data ask for.

When to step up

Data & engineering

A four-way rewards teams with the data and engineering to use it. Chasing the last tenth by condition? This is the tool. If not, the 12 Series is plenty.

Proven everywhere

Built for every discipline

Six decades of damper development across the motorsport world — and the valving knowledge to back it on your platform.

GT & GT4Time attackEnduranceTouring & clubOpen-wheelRallyOff-roadDrag

What Meisterschaft adds

More than a parts order

JRZ builds the damper; we make it right for your car. Spec, setup and support — all in-house.

Spec

Valving to your platform

We choose the series and tune internal valving for your car, weight, tire and goals — then revalve as the program develops.

Setup

Corner balancing & setup

Spring rates, ride height, corner weights and damper settings dialed in on our scales, so the car shows up at the track ready to run.

Support

Through the season

Data-driven setup changes, service and rebuilds, and an engineer on the other end of the phone when you need a direction.

Why JRZ

Engineering you can trust

A motorsport damper manufacturer — not a rebadger — with the track record to prove it.

60+years of motorsport R&D

ISO 9001TÜV-certified manufacturing

100–350 psiadjustable gas-pressure range

4-waymaximum adjustability available

Good to know

JRZ Motorsport Line — common questions

The questions teams ask us most. Solid answers here also help this page rank on Google.

What’s the difference between the 11 and 12 Series? +

The 11 Series is double adjustable — one compression circuit (14 clicks) and independent rebound (24 clicks). The 12 Series is triple adjustable: it splits compression into independent low-speed (10 clicks) and high-speed (19 clicks) on top of rebound (24 clicks). That extra split lets you tune curb strike and kerb/bump response separately from body-control compression.

What does the 50-DA shaft add? +

The 50-DA is a double-adjustable shaft that adds fully independent compression and rebound bleed (27 clicks each) right on the shaft, with very low hysteresis. On a 12 Series that means rebound and compression on the shaft plus high- and low-speed compression on the reservoir — a true four-way damper. It also lets you run on the shaft only, the reservoir only, or a blend to tune hysteresis.

Do I actually need a four-way damper? +

Only if you can use it. A four-way is a powerful tool for teams running at a high competitive level with capable drivers, engineering and data — it lets you get the setup perfect for each condition. For most club, HPDE and even a lot of GT programs, the 11 or 12 Series gives you the control you’ll realistically use without overwhelming the setup process.

What gas pressure range do these run? +

Gas pressure is adjustable across the Motorsport Line, typically in the range of 100–350 psi (a common factory baseline is around 220 psi). We’ll set a starting point for your platform and help you dial it from there.

Can the valving be changed for my car? +

Yes — internal valving is customized to order and can be revalved at a service center as your setup evolves. That’s a big part of what we do: spec the right series and valving for your platform, weight and tire, and re-tune it as the program develops.

For Sven — verify before publishing: Specs are pulled directly from JRZ’s Motorsport Line, 50-DA shaft and series pages. I framed the 11 Series single compression adjuster as “Compression” (not split HS/LS); confirm that matches how you describe it. The four-way column represents a 12 Series fitted with the 50-DA shaft, per JRZ’s own description.

Building a race program?

Tell us the car, the series and your goals. We’ll spec the right Motorsport damper, valving and spring package — and support the setup through the season.

Talk to an engineer