Bilstein SZ/SL Series Shock - 9" Stroke - Compression 8 - Rebound 1 Tach Adapter They add strength to suspension

They add strength to suspension mounting area and create mounting points for shock brackets

plated steel

1975-1987 Chevrolet P30

1-3/4 in Diameter Hole

Bilstein SZ/SL Series Shock - 9" Stroke - Compression 8 - Rebound 1 Tach Adapter They add strength to suspensionBilstein 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