Headers for Buick 350 1 3/4" SAP (same as port) Header Flange Gaskets HG9400 earls-performance 5-inch with a single turn-down

5-inch with a single turn-down exit under each quarter panel for a stealthy look

5L/L4 1982 - 1985 Buick Century 3L/V6 1983 - 1985 Buick Century 2

Chrysler Imperial (1957)

6L V8 1965 - 1966 Chevrolet C10 Pickup Base 230/3

transfer case location & driveshafts

Headers for Buick 350 1 3/4" SAP (same as port) Header Flange Gaskets HG9400 earls-performance 5-inch with a single turn-downOverview: Header Flange Gasket Specs: Brand: Doug's Headers Prop 65 (C, R or CR): CR Prop 65 Yes No: Yes Title: Doug's Headers HG9400 Buick 350 1 3 4" SAP (same as port) Header Flange Gaskets Part Number: HG9400 Emissions: This Product is Certified by the Manufacturer as being Non Emissions Related part per CARB and EPA regulations and therefore does not require emissions certification or CARB EO and is legal in all 50 states.