2003-2004 Cobra Supercharger Belt Chart

Posted 3/28/2017 by Tyler Rodriquez

Have you just installed a new supercharger or idler pulley on your 03-04 Cobra and need a new belt? Check out our belt guide for the right info!

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FOLLOW: mustang , 94 04 mustang , supercharger , tech

LMR has put together this guide to help you decide which belt you need for most of the popular combos using a stock Eaton blower and multiple pulley combinations. Here are the breakdowns below explaining most of the possible combinations for the 03-04 Ford Mustang Cobra.

2003-2004 Cobra Supercharger Belt Guide
Pulley Setup - With Factory Eaton Supercharger	3.65" Stock Upper Pulley	3.00" Upper Pulley	2.90" Upper Pulley	2.80" Upper Pulley	2.76" Upper Pulley	2.70" Upper Pulley
Stock Lower Pulley 7.375"	75.50"	74.50"	74"	73.50"	73.50"	73.50"
2 lb. 8.0" Lower Pulley	77"	76.50"	76"	75.50"	75.50"	75.50"
4 lb. 8.6" Lower Pulley	78"	77.50"	77"	76.50"	76.50"	76.50"
6 lb. 9.10" Lower Pulley	79"	78.50"	78"	77.50"	77.50"	77.50"
8 lb. 9.50" Lower Pulley	80"	79.50"	79"	78.50"	78.50"	78.50"
10 lb. 10.0" Lower Pulley	81.50"	81"	80"	79.50"	79.50"	78.50"
Stock w/ 4 Piece Idler Kit	77"	75.50"	75.50"	75.50"	75.1"	"

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2003-2004 Cobra Supercharger Belt Chart

2003-2004 Cobra Supercharger Belt Chart

2003-04 Cobra Supercharger Belts

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