Late has GM and the 621 on the starter side. Early has GM on top center and cannot be seen when installed.
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"Knowledge is good" Emil Fabor
67 L/78 Camaro SS/RS H-H,1W,2LGSR,3SL,4K,5BY. (Sold)
70 L/78 Nova M-21,Black Cherry,Sandalwood Int.
09 Pontiac G8 GT Premium,Sport,Roof. Liquid Red.
Last edited by L78steve; 05-18-2017 at 02:45 AM.
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