COMP Cams Timing Chain FB/OL Kt SetThis heat treated, pre stretched, double roller timing chain replaces the chain for both our 3108KT Ford 390 428 and 3113KT Oldsmobile 400 455 adjustsable timing sets. Catalog User 1 This Part Fits: Year Make Model Submodel 1977 Buick Century Custom 1977 1979 Buick Electra 225 1977 1979 Buick Electra Limited 1978 1979 Buick Electra Park Avenue 1977 1979 Buick Estate Wagon Base 1977 1978 Buick LeSabre Base 1977 1978 Buick LeSabre Custom 1977 Buick