Supercharger belt length

[redvenm]

I have an 03 cobra with a RR 2.95 upper pulley, stock lower. Just picked up a Metco 5 piece idler set. 1 -90mm 3- 100mm. Does 76" sound right? Tried researching but getting conflicting numbers. Also, is there a particular brand that you guys recommend? Thanks.

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[cj428mach]

Metco has a belt chart right on there website.

 

[redvenm]

Thanks!

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[Bdubbs]

The joys of having the whipple idler setup. I can run various sizes of belts on the same pulley.