Svt cobra what belt size?

[northeastcobra]

Hello I have a 2003 mustang cobra and I'm trying to figure out the best fitting belt for my cars setup, I recently added a 5 piece Metco pulley kit with 3 100mm pulleys and a 90 or 92mm I forgot what exact one and the snub idler I also have a smaller upper supper charger pulley it's a 2.76 I believe stock lower stock alternator size pulley please help me figure out the best belt i think it's a 75.65 inch but there's a chance it can be a 76 inch thank you

 

[CobraBob]

Here's some info from my old belt selection chart. See the info in red. I can't guarantee this, but based on what you're providing this should be the size.

With 4-Piece Idler Set (1-92mm and 3-100mm) and Stock Alternator Pulley

Pulley Size	Belt Size	Gates Micro-V Part #	Gatorback Poly-V Part #
3.65 (stock)	76.5"	K080765	4080765
3.40	76”	K080760	4080760
3.20	75.5”	K080755	4080755
3.10	75” or 75.5"	K080750 or K080755	4080750 or 4080755
3.00	75”	K080750	4080750
2.93	75"	K080750	4080750
2.90	75"	K080750	4080750
2.80	74.5" or 75"	K080745 or K080750	4080745 or 4080750
2.76	74.5” or 75"	K080745 or K080750	4080745 or 4080750
2.75	74.5” or 75"	K080745 or 4080750	4080745 or 4080750

 

[03cobra#694]

Moved to the correct section.