XYZ Racing Circuit Master Coilovers — Toyota MRS W30 1999-2007

The W30 MR-S carries its 1ZZ engine amidships and weighs barely a tonne, which is exactly why the rear axle gets lively the moment you lift mid-corner. The XYZ Racing Circuit Master coilover for the Toyota MRS W30 exists to harness that mid-engined agility and give you the control to lean on it for a full session, rather than nursing the car through the quick corners.

This is the firm’s circuit-focused damper, built for sustained lap-time work rather than a fast-road compromise. With three separate adjustment knobs and a claimed 9720 valving combinations, it lets you settle the W30’s fast-rotating chassis without dulling the sharp turn-in that makes the car worth tracking in the first place.

What this coilover does for your 1999-2007 Toyota MRS W30

On a short-wheelbase mid-engined car, body control is everything. The Circuit Master’s independent adjustment lets you firm up rebound to stop the rear stepping away on corner exit while keeping enough compliance to put power down out of slow hairpins. Ride-height adjustment drops the W30’s centre of gravity and lets you set corner weights properly – a sub-tonne roadster responds visibly to even small changes. You feel it as sharper, more predictable turn-in and far less of the nervous tail movement the standard setup is known for. Brake hard into a slow corner and the front stays composed instead of diving and unloading the light rear.

About the Circuit Master coilover

The Circuit Master sits at the sharp end of the XYZ Racing range, sharing its design with the firm’s competition Racing Spec, Drift Spec and Tarmac Rally builds. XYZ describe it as a circuit platform developed and tested by their race teams across international circuits over long programmes. The headline figure is 9720 distinct adjustment combinations, reached through three separate knobs that let you set damping and ride height independently instead of trading one against another. That three-knob layout uses a small oil-passage design, so over large kerbs you may hear a faint noise as oil moves through the narrow passage – XYZ note this is normal, a product of the valving rather than a fault. The kit is built specifically for circuit surfaces, where the bumps are predictable and the priority is repeatable damping under sustained load.

Fitment for the Toyota MRS W30 (1999-2007)

This kit is built for the W30-chassis Toyota MRS across the full 1999 to 2007 production run. It fits the mid-engined roadster at the standard front and rear strut locations, in both manual and SMT forms. Confirm your chassis code reads W30 before configuring.

What buyers also search for

• Toyota MRS W30 coilover upgrade for track days and circuit driving
• Toyota MRS W30 suspension that controls mid-engined lift-off rotation
• Circuit Master damping for the 1999-2007 MR-S over sustained sessions
• Height and damping adjustment for setting corner weights on a light roadster

The Circuit Master is the W30 setup for owners who actually book circuit time. Choose your spring and damping options and configure yours below.