
XYZ Racing Drag Racing Coilovers — Scion XB bB 2003-2007
SKU: SC03-DG
- IncludesFull set of 4 (front + rear)
- Spring rate (F/R)12 / 14 kg/mm
- Top mountFront: Pillow ball + rubber / Hardened rubber · Rear: OE (factory) mount
- Lead time10–15 working days
Fits Scion XB bB (2003-2007) chassis SC03
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The first-generation Scion XB bB wears a tall, square body and a high roofline over a light, front-driven compact chassis. That shape is easy-going on the street and awkward at the strip: as the revs come up the weight pitches rearward, the front tyres go light, and the driven axle spins instead of hooking up. The XYZ Racing Drag Racing coilover for the Scion XB bB is built to attack that exact problem.
This is a launch-focused setup, not a fast-road all-rounder. It lets you set ride height and corner balance so the SC03 loads its driven wheels at the moment you leave the line, then keeps the tall body settled as the little box gathers speed down the quarter mile.
What this coilover does for your 2003-2007 Scion XB bB
The biggest gain on a light front-driver like the xB bB is traction off the line, and that is where the height and corner-weight adjustment earns its keep. Set the ride height to bias load onto the front axle and the driven tyres bite harder the instant you launch, cutting the wheelspin that bleeds off your sixty-foot time. A lower, planted stance drops the high centre of gravity that the boxy body otherwise carries, so the car feels composed rather than nervous as speed builds. You also get the freedom to dial in rake and stance to suit how you stage and how much grip the surface offers.
About the Drag Racing coilover
This kit is engineered specifically for 0-400 metre drag running, and the same design logic applies whether the platform is front-, rear-, or four-wheel drive. The core idea is managed weight transfer: the setup lets you shift load between the front and rear of the car towards the driven wheels during the launch, forcing the driving tyre to compress harder into the surface. That extra contact-patch loading reduces the time the wheel spends spinning uselessly and gets drive to the ground sooner. As the run develops, the same controlled setup helps keep the car stable at high speed rather than floating or wandering. It is a height-adjustable coilover, so you can tune the stance and weight bias to your car and your strip.
Fitment for the Scion XB bB (2003-2007)
This kit is matched to the first-generation Scion XB bB, chassis code SC03, covering the 2003 to 2007 model years. It is a direct-fit coilover set for that platform. Confirm your chassis code and year against the listing before ordering so the spec lines up with your car.
What buyers also search for
- Scion XB bB drag coilovers for quicker sixty-foot launches
- SC03 suspension setup to reduce front wheelspin off the line
- Height-adjustable coilovers for a lower, planted xB bB stance
- Weight-transfer coilover tuning for a light FWD drag build
- Scion XB bB 2003-2007 drag racing suspension upgrade
These coilovers are aimed squarely at the strip rather than the daily commute. Pick your spec and configure yours below.
Top mounts included with your kit
Every XYZ Racing coilover kit ships with the upper mounts listed below for your exact chassis — no extra parts to source.
Front
Pillow ball + rubberP+Pillow-ball upper with a rubber insert — adds steering precision and camber adjustability while keeping some of the factory mount’s harshness damping.
Hardened rubberRHardened rubber upper — firmer than the factory bush for tighter response while retaining road-friendly noise and vibration isolation.
Rear
OE (factory) mountOERetains the OEM (factory) upper mount — preserves the original ride comfort, noise and vibration behaviour for a stock-like feel.
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