E30 B12 kits differ by front strut housing diameter, engine application and axle limits. All seven listings compared in one table, with the checks to make on the car before you choose a part number.
The latest news and information regarding GSM Performance.

E30 B12 kits differ by front strut housing diameter, engine application and axle limits. All seven listings compared in one table, with the checks to make on the car before you choose a part number.

Fixed lowering on a B12, threaded ride height on a B14, manual damping on a B16. What each Bilstein family lets you change after it is fitted, what the part number decides for you, and the four checks to make before you order.

One B-G hub covers the Stratos, the 037 and the Montecarlo. And the MOMO Delta hub is filed under Lancia-Autobianchi, which is why people miss it.

B-G list four Rover hubs and none of them fit a 200, 400 or 600. Those are MOMO only, and MOMO split them by airbag. Here is the full range.

Deep runs 70mm to 95mm and it is the only dish that changes what your hands can do, not just where they sit. All 20 deep wheels we stock from MOMO, OMP, Sparco and Sabelt, with figures, prices and who should not buy one.