From A Customer
Own this product - Yes
This is a nice part. My reason for purchase was to eliminate the splined shaft/pulley (only mercruiser used this) and use off the shelf keyed pulleys. This part services various blowers and the weiand 177 is not listed but it will work for certain applications. Holley should update the application data. Mine is a BBC. TRUCK PERFORMANCE PRICE WAS 40% less than Summit!!!
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