Progressive Suspension 12 heavy duty duty black springs for use with the Progressive Suspension 12 series shocks for vintage Honda motorcycles. Can also be used as replacement springs for Progressive 412 series shocks or use them with any shocks you can fit them in.
- High quality progressive rate springs.
- Provides plush performance, stability and prevents excessive bottoming.
90/130 PSI
Progressive Part Number: 03-1367B
Dimensions:
Free Length: 235mm (9.25")
Diameter at widest point: 61.75mm (2.4")
