Doug's Headers - D306
Headers - Shorty - 1.75 in Primary - 3 in Collector - Steel - Metallic Ceramic - Big Block Chevy - Various Applications - Kit
Doug's Mid Length Header 64-77 GM F, G, & A Body 396-502 BBC Non Cat, no EGR or A.I.R. 1 3/4" Primary 3" Collector Silver Ceramic Coated D306
Collector Diameter: 3.00
Color: Natural
EmissionFullDES: 2 - This product is Legal for use on Pre-Pollution Controlled Vehicles. It is legal for use on all vehicles produced Before Emissions Control Regulations were imposed. These are considered Uncontrolled Vehicles and are defined as follows; 1965 and Older US Manufactured California Certified Vehicles, 1967 and Older US Manufactured Federally Certified Vehicles, 1967 and Older Foreign Manufactured Vehicles
EmissionFullDES: 3 - This Product is LEGAL for Closed Course Competition use or Pre-Emissions Controlled Vehicles ONLY. It is Not Legal for use on any Emissions Controlled Vehicle for Street or Off Highway use.
Finish: Silver ceramic coated
Flange Thickness: 0.375
Gasket Or Seal Included: Yes
Header Finish: Silver ceramic coated
Header Material: Steel
Header Style: Mid Length
Material: Steel
Mounting Hardware Included: Yes
Oxygen Sensor Port: No
Primary Tube Outside Diameter: 1.75
