Bilstein SZ/SL Series Shock - 9" Stroke - Compression 3 - Rebound 4 Coil-Over Adapter All seats are customized to

All seats are customized to meet the unique needs of the customers and their chassis

Standard valves are lightweight 8mm diameter stem

O-Rings and cost

1/8" NPT Female to 1/8" BSPT Male

Bilstein SZ/SL Series Shock - 9" Stroke - Compression 3 - Rebound 4 Coil-Over Adapter All seats are customized toBilstein SZ Series shock absorbers feature a 46mm piston, steel construction and smooth body designed for motorsports applications. These shock absorbers are available in a variety of lengths and standard digressive valve settings that utilize proprietary spring steel valve discs and can be converted to a coilover design (kit sold separately). SZ Series shock absorbers are ideal for racers whose sanctioning rules do not allow or require rebuild