XYZ Racing Drag Racing Coilovers — Audi A4 B7 2004-2008

The B7 A4 carries its longitudinal engine ahead of the front axle line, so the nose stays heavy and the rear goes light at exactly the moment a launch needs grip at the driven wheels. The XYZ Racing Drag Racing coilover for the Audi A4 B7 is built around that problem: it governs how the chassis shifts load off the line, not how it behaves through a corner.

This is a straight-line tool. The Drag Racing valving and spring package are set for high launch loads and the 0-400 run, where the job is planting the driven tyres hard and keeping the car settled as terminal speed arrives.

What this coilover does for your 2004-2008 Audi A4 B7

Drop the clutch in a standard B7 A4 and the first moments of the run are wasted while the chassis pitches and the driven tyres scrabble for purchase. This coilover is calibrated to move weight deliberately, loading the driven axle so the tyre bites and spin gives way to forward drive sooner. On a quattro car that gives the Torsen centre split a planted contact patch to work with; on a front-driven B7 it lets the nose squat onto the front tyres rather than unloading them. As the car gains speed the same setup holds it composed instead of nervous. Ride height is adjustable, so you can set a launch-friendly rake and corner-weight the car for a repeatable start.

About the Drag Racing coilover

XYZ Racing engineers this coilover for one discipline: the 0-400 sprint. The concept is built to suit different drivetrain layouts, with the principle applied to front-wheel, rear-wheel and four-wheel-drive cars, because where the power goes down dictates how the suspension should load. The core idea is controlled weight movement. The damping and spring rates let the car transfer mass toward the driven axle the instant you launch, forcing greater compression into the driven tyre. More compression means a larger contact patch and less of the wheelspin that bleeds time at the start. Height adjustment lets you tune static stance and rake for the launch you want, and the same calibration that helps off the line keeps the car stable as speed builds down the strip.

Fitment for the Audi A4 B7 (2004-2008)

This kit is specified for the Audi A4 B7, the 2004 to 2008 generation of the chassis. The Drag Racing setup works with both front-wheel-drive and quattro B7 cars, but because launch loading differs by drivetrain, confirm which one you run when you configure your spec.

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Set your ride height, rake and spec for your B7’s drivetrain, then configure yours below.