Proform BB1901 Heavy, Medium, and Light Springs Included
Guaranteed Fitment
Always the correct part
Added Value
Performance matched parts
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When accuracy is the difference between winning and losing, there's one test spring kit that's a cut above the rest...the RIMAC calibrated 3-in-1 test spring kit. This spring kit include three test springs: a lightweight spring, a medium weight, and a combined heavy weight spring giving you an approximate test range from 10 - 640 lbs. Data sheet included. Super accurate and individually tested on an Instron SF1240 testing machine.
Heavy, Medium, and Light Springs Included
Please review Specifications and the detailed fitment table for notes and exceptions.