Pulley size ? on cooling

Rat Bastid said

Call CVF and tell them you do NOT want under drive pulleys. They have them. Dont slow the water pump down.

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Okay, so those CVF's sold by Mancini are definitely a no-go. CVF's site lists the same ones. Are the CVF non-underdrive pulleys on a secret shelf at the warehouse? I'll give them a call though.

Or the hell with it if they don't exist and get OEM's.