I have a Buick 455 Holley hyperspark distributor for sale. It was run for a few minutes, but I decided to stay with the MSD pro billet instead. So I don't need it now. New is $450, You can have it for $295.00 Box measures 17.5 x 6.5 x 6.5 and weighs about 4 lbs. Buyer pays for shopping.