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B-Series specific design - Port geometry matches factory head surface without modification
Design: Bolt-on assembly
stars { color: #FFD700
75mm large diameter pipe and full straight structure reduce the exhaust pressure to 50 percent of the stock exhaust
COMP Cams Camshaft Kit CS 290HR-12 K08-306-8 Camshafts B-Series specific design - PortCOMP Cams Camshafts K08 306 8 CamShaft Kit, CS 290HR 12 K08 306 8 CamShaft Kit, CS 290HR 12 COMP Cams Camshaft Kit CS 290HR 12 Vehicle Fitments: Year Make Model Submodel 1987 1991 Avanti II Base 1991 1996 Buick Commercial Chassis Base 1992 1993 Buick Roadmaster Base, Limited 1991 1993 Buick Roadmaster Estate Wagon 1990 1992 Cadillac Brougham d'Elegance, Base 1992 1996 Cadillac Commercial Chassis Brougham, Base 1993 Cadillac Fleetwood Brougham, Base