XYZ Racing Circuit Master Coilovers — Lexus SC 300/400 1991-2000

The Lexus SC 300/400 left the factory as a soft, long-legged GT coupe, and that comfort-first damping is exactly what shows up the moment you point an LE12 at a circuit. The nose dives under braking, the rear squats on power, and a kerb weight north of 1.7 tonnes keeps loading the outside corner long after you want the car settled. The XYZ Racing Circuit Master coilover is built for that problem: holding a heavy 2JZ-GE or 1UZ-FE coupe flat and predictable through sustained lap work.

This is the top-tier circuit option in the XYZ range, aimed squarely at owners running their SC 300/400 on track days and timed sessions rather than the motorway. It trades the standard car’s float for body control you can lean on lap after lap of repeat running, while still giving you the height and damping latitude to keep a road-registered car usable between events.

What this coilover does for your 1991-2000 Lexus SC 300/400

Fit a set and the first thing you feel is the SC losing its wallow: turn-in sharpens because the front is no longer washing through its travel, and the long wheelbase that made the car feel lazy now works in your favour, giving a stable, planted mid-corner. The Circuit Master’s separate compression and rebound control let you calm the dive and squat that the soft factory setup never managed, so braking into a hairpin in a V8 SC400 stays composed instead of pitching forward. Ride height adjustment drops the heavy coupe’s centre of gravity and lets you set corner balance properly, which matters on a car this nose-led. You get genuine GT pace with the body control to use it, and the range to soften back off for the drive home.

About the Circuit Master coilover

The Circuit Master is XYZ Racing’s competition-grade damper, developed alongside their Racing Spec, Drift Spec and Tarmac Rally builds and validated by XYZ race teams across international circuits. Its headline feature is a three-knob adjuster that opens up 9720 distinct damping combinations, so compression and rebound can be tuned independently to the car, the surface and the driver rather than picked from a coarse preset. That fine adjustment runs through a small-orifice oil-passage design built for circuit duty: over large bumps the oil forced through the small passages can produce a faint noise, which is normal behaviour for this construction and not a fault. The unit is engineered specifically for smooth track surfaces and sustained pace, where its bump compliance is tuned for circuit kerbs rather than broken public roads. For an SC 300/400 owner chasing consistent lap times, it is the most configurable damper in the line.

Fitment for the Lexus SC 300/400 (1991-2000)

This kit is built for the LE12-chassis Lexus SC 300/400 across the full 1991 to 2000 production span, covering both the 2JZ-GE SC300 and the 1UZ-FE V8 SC400. Confirm your exact build year against the range above before configuring, as the platform ran largely unchanged across this window.

What buyers also search for

• Lexus SC 300/400 coilover upgrade for track day and circuit use
• LE12 SC300 and SC400 suspension to cure factory body roll and dive
• Lexus SC 300/400 height-adjustable coilovers for a heavy GT coupe
• SC300 2JZ track suspension with independent compression and rebound control
• Lexus SC 400 1UZ coilovers that keep a road-legal setup for the drive home

Set your ride height and damping to suit your SC 300/400 and your circuit – configure your spec below.