Brand new in box Tuff Stuff Silver Bullet Alternator p/n 7239 ABULL. 12 VDC, 100 A., 1 Wire Internal Regulator,GM 10 si case, with v-belt pulley. Fully polished. Buick, Chevy, Olds, Pontiac. Also included is Billet Specialties p/n FM 0205PC Drivers side lower mount polished billet aluminum. This is a nice piece of jewelery!! The pair cost $286.00 new, let it go for $225 plus shipping. Was going to use on my race car have to get a smaller alternator. Great Deal Larry