Jay-rod427
Well-Known Member
Idk how they are for p1x but for p1sc 3.5 pulley is good for 10 psi and 3.4 is 12 psi. Thats from procharger.
You have to be careful with Prochargers "official" ratings. They are usually rated at like 6,800 rpm... When you get down to 3.4 and smaller belt slip risk goes WAY up on the 6 rib.
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