timing mark on an aftermarket pulley be in the right position. I've looked at many of them and every UR I've seen is dead on and all the AMS ones we have are dead on. I can't say that for the other brands which I've seen 5-10 degress off in the direction that makes your ringlands very unahppy. I've seen quite a few motors die an early death as a result.
Russell Floyd Z1 Motorsports www.300zx.com 1990+ Nissan Z specialists Used Parts, New parts, Service/Repair and Performance Z1 Motorsports Exclusive Parts Line 2877 Carrollton Villa Rica Hwy Carrollton, Ga 30116 770-838-7777 770-832-9253 (fax) 
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