This spring is also appropriate to help with bottom end and mid
range response on 660 Rhino applications using heavier stock
size, or 26-27 inch tires. Helps slow the initial upshift of the belt
and get RPM quicker on initial take off. Also helps with power
loss from sand applications.
Metallic Red secondary spring is heavier load rating than the
metallic blue. For use in 700 Rhino applications for heavier tires
26 and up. Also used for 660 Rhino when running 28 and
larger tires.