Who makes dual-belt alternator pulleys for the FC?

[RotaryDiagnostics]

Have you tried Mazdatrix.com?

[Pete_89T2]

Originally Posted by RotaryDiagnostics

Have you tried Mazdatrix.com?

Yup, they sell them, but it's an underdrive design. For a street driven car that spends any significant time at idle, an underdrive pulley isn't suitable as the alternator won't produce enough juice to charge the battery and keep up with accessory loads.