**If you need a PAIR of springs, please select quantity: (2)** These springs have all the same features of our standard VVS alloy rear springs and enable you to achieve extra-low ride height.  They are ideal for a Z3, 318ti, E-30 or any other cars that have been lightened.

Part # on spring - TKBW 30 500 R
Spring Measurements:

Inner Diameter (I.D.) - 60mm
Height - 5.5" ~140mm
Pigtail opening - 40mm

**Note: 25.4mm = 1 inch