XYZ Racing Street Advanced Coilovers — BYD SEAL 05 2025-2026

The Byd 海豹 SEAL 05 carries its mass low and central, with a battery-laden floor that drops the centre of gravity but leaves plenty of inertia to manage the moment the road starts to turn. The XYZ Racing Street Advanced coilover is built around that reality: a height-adjustable, damping-adjustable kit for owners who want tauter body control on the road without giving up the cabin calm the car was sold on.

This is the everyday-plus-occasional-track answer rather than a stripped circuit setup. Street Advanced sits where most SEAL 05 owners actually drive – sharper turn-in, a more planted motorway gait, and the freedom to set the stance you want, while keeping the ride usable on a broken UK B-road.

What this coilover does for your 2025-2026 Byd 海豹 SEAL 05

Fit the Street Advanced kit and the first change you feel is how much sooner the body settles after a bump or a direction change. The electrified drivetrain’s instant torque tends to make the standard car squat under acceleration and pitch under braking; firmer, properly matched damping curbs both, so the SEAL 05 feels tied down rather than wallowing on its springs. With 720 damping adjustment positions, you can run a softer setting for the daily commute and wind in more control for a spirited run or a track day, then back it off again. Lowering the ride height tightens the wheel-arch gap and pulls the centre of gravity down further, which sharpens roll resistance through quicker corners. The result is a heavy electrified sedan that changes direction with more intent and holds a chosen line with far less float.

About the Street Advanced coilover

The Street Advanced is XYZ Racing’s most popular street coilover, developed over several seasons by the company’s own engineering team and put through international competition before it reached production. It is built specifically for normal road use and the occasional track day, which is exactly the brief most SEAL 05 owners have. The headline feature is 720 ways of damping adjustment, giving genuinely fine control over how the car responds to bumps, body roll and weight transfer rather than a coarse soft-or-hard switch. Threaded ride-height adjustment lets you set the stance independently of damping, so comfort and looks are not a trade-off you have to lock in once. For a driver who wants more speed and more control from the Byd 海豹 SEAL 05 without turning it into a stiff-legged track-only car, this is the kit that bridges the two.

Fitment for the Byd 海豹 SEAL 05 (2025-2026)

This coilover kit is cut specifically for the Byd 海豹 SEAL 05, chassis code 05, built across the 2025 to 2026 model years. Confirm your car matches that chassis and year span before ordering, since fitment is model-specific. The kit is supplied to suit this platform out of the box.

What buyers also search for

• Byd 海豹 SEAL 05 coilover upgrade for road use with occasional track days
• SEAL 05 suspension that controls battery weight without a punishing ride
• 海豹 SEAL 05 adjustable damping coilovers to lower stance and sharpen handling
• Byd SEAL 05 ride-height and damping adjustment in one kit
• Best 2025-2026 SEAL 05 coilover for comfort and control balance

Set your height, choose your damping and configure yours below.