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What is a better material for underdrive pulleys...polish aluminum or billet steel???

Jun 17, 2007 by Link_The_World | Posted in Other - Cars & Transportation

and why?

I would go with aluminum for sure, it is lighter and less heat conductive, that way the bearings wont roast under harsh conditions.. the steel one being heavier and more heat conductive would burn its bearings over time and wouldnt be recommended.

Aaron M. | Jun 17, 2007

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