Tri-Y Headers for Olsmobile Motor Home 455 73-78 1-3/4in Primary D755Y-B street-strip-carbs Keep the check engine light

Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 5411284

The Three Stage Retard Control connects easily to your MSD Ignition and can be triggered from points

8L V6 Universal 1987-1990 Cadillac Brougham 5

3L V8 1972 - 1976 Chrysler Newport Custom 400/6

Clean install for a factory-like fit and finish in your UTV1

Tri-Y Headers for Olsmobile Motor Home 455 73-78 1-3/4in Primary D755Y-B street-strip-carbs Keep the check engine lightOverview: Header Olds Mtr Hm 455 73 78 Blk Doug's is the pioneering force behind the popular TRI Y design for cars and trucks. The unique, shortend, paired primary tubes increase mid range torque without sacrificing top end power. TRI Y's are a great choice for daily drivers and heavy duty trucks looking to increase power from idle up to 4500 RPM while maintaining maximum fuel efficiency. Features: 3 8" thick machined flanges to prevent warping CNC