XYZ Racing Top Sport Coilovers — Chrysler 300C 4WD 2005-2010

The 300C 4WD carries real weight over its nose – a big V8-era American saloon body sitting on a driveline with a transfer case bolted in ahead of the front axle – and that mass has to go somewhere under hard braking or a fast direction change. Left on the standard dampers, the car leans into corners and pitches under load rather than settling into them. The XYZ Racing Top Sport coilover is built for owners who want that weight controlled without giving up the car as a daily driver.

This is the occasional track day and fast-road spec in the XYZ Racing range, not a full race set-up. It sits between a comfort-biased kit and a dedicated competition coilover, aimed at a 300C that sees a circuit day now and again but still needs to cover motorway miles and UK B-roads the rest of the week.

What this coilover does for your 2005-2010 Chrysler 300C 4WD

Damping is stepped up roughly 30-50% over a standard street set-up, paired with spring rates around 2kg/mm firmer than factory. On a car this heavy, that combination matters more than it would on a lighter hatchback: it checks the body’s tendency to roll and pitch through direction changes, so the 300C’s mass stops arriving late into a corner. Sharp inputs – potholes, expansion joints, a badly cambered B-road – get absorbed rather than transmitted straight into the chassis, which keeps the tyre in contact with the road instead of skipping across it. The result is a saloon that turns in with less lean and puts power down through the AWD system with more consistent traction, particularly useful given how much of this car’s weight sits over the front driveline components.

About the Top Sport coilover

XYZ’s Top Sport line takes the damping and spring-rate uplift developed through the brand’s own track-day and race programme and packages it for road-registered cars. The increased damping force and firmer springing are specifically calibrated to deal with big, sharp impacts – kerb strikes, harsh compressions, poor tarmac – by suppressing the body’s reaction rather than just stiffening the ride for its own sake. That control translates directly into a larger, more consistent tyre contact patch, which is where the traction and stability gains actually come from. The tune is aimed squarely at owners doing aggressive road driving and the odd track session, rather than full-time competition use, which is why it retains enough compliance to still work as a daily set-up.

Fitment for the Chrysler 300C 4WD (2005-2010)

Built specifically for the Chrysler 300C 4WD, chassis code CR01-1, covering the 2005 to 2010 model years. The kit is engineered around this AWD driveline layout rather than adapted from the rear-drive 300C, so the front geometry and mounting points account for the added front-axle hardware.

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Owners running a 300C 4WD hard on UK roads can spec this kit to their car’s exact CR01-1 fitment – configure yours below.