I have heard great results about Mace's 10 psi pulley upgrade, am I right in thinking that if someone were to go above that 10 psi that an inter-cooler would be required? Siya October 02, 2023 11:33 A custom tune or some form of intercooling would be required if you're planning on running a pulley greater than 10psi. Related articles Hey i own a supercharged VT Calais international. I'm pretty sure its stock, could you recommend a performance pulley that will suit my engine and hopefully gain more power? Thank you. Comments 0 comments Please sign in to leave a comment.
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