326POWER ID63/ID66/ID70 Helper Sheet

326POWER ID63/ID66/ID70 Helper Sheet has a one-piece structure and is a whopping 5mm thick, expanding the range of settings. While the conventional aluminum collar has a three-piece structure and is about 10mm thick. 

Sizes: ID63, ID66, ID70
Thickness: 5mm
Colors: black, green, pink, purple, blue, yellow

Price shown is for 1x pair of helper sheets ONLY. 

Please note: because 326POWER springs are available in thousands of different variants, please allow 2-3 weeks for your requested springs to be dispatched.