Quote:
Originally Posted by asolde
what year truck / engine did they come off of? Are they original GM parts?
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They are factory original to the best of my knowledge. Came from a '69 GMC 1/2 with 350 a/c power steering. Crank pulley is a 2 piece, outer # 3923898, inner is 37558208c. Can't find a # on the water pump pulley, but my buddy ran these on a project we put together ('68 Rambler w/ 350 & T10 4 sp), and painted the pulleys. 350 went in his car, and I gave him a different set of long pump pulleys, so we could get the alt. mounted with the bracket I had for long pumps.