Progressive 12 Series Springs - Heavy Duty - Chrome

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Progressive Suspension 12 series heavy duty chrome 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: 03-1367C


Free Length: 235mm (9.25")
Diameter at widest point: 61.75mm (2.4")