Alternator: 69-81 GM & Olds 403 - 78 AMP DelcoThis is a wide ranging alternator for most of the 69 79 era GM Cars.. and light trucks.. *Of special interest to owners of Pontiac 400 6. 6 & the Olds 403 V8 6. 6 ltr V8's made from 77 80 Plus the 77 81 301 4. 9 litre NON TURBO models and fitted into Firebirds and Trans Ams. 78 Amp. Image is correct.. but be aware some of these are coming in with either black or silver belt fan wheel.. black is shown below.(2016) It is 78 Amp as per factory spec. It