Quote:
Originally Posted by Josh@STILLEN
The underdrive pulley is also lightweight. Being that they are cut out of billet aluminum they are significantly lighter than the OEM steel pulley.
It's technically a Lightweight Standard Sized Crank Pulley vs. a Lightweight Underdrive Sized Crank Pulley
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ohhhh ok, so they both go in the same spot, their the same thing just for different purposes. therefore you have to get one or the other correct?