Brand New Southwest Speed Ceramic Hot Coated 1964-1979 Long Tube Headers for Pontiac 326-455ci Engines (Part #440-2685). Features: 1-5/8" primaries to 3" Collectors Includes a pair of 3" to 2-1/2" reducers. More Performance Better Fuel Mileage Includes gaskets and mounting hardware Ceramic Hot Coated to resist early corrosion Applications: Pontiac: 1970-1979 Firebird/Trans Am 1973-1975 Grand Am 1964-1970 GTO 1964-1975 LeMans Notes: Must modify stock exhaust to retain catalytic converter Will not fit with A.I.R. pump. Will not fit Ram Air cylinder heads. End holes on head must be drilled and tapped to insure proper seal. Works with A/C. Header Specs: Material Type: Steel Header Tube Type: Long Tube Flange Thickness: 3/8" Finish: Ceramic Hot Coated Hardware Included: Yes Gaskets Included: Yes Tube Outside Diameter: 1 5/8" Collector Diameter: 3" Reducers: 3" to 2 1/2" Ceramic Hot Coating Warning: Warning: CHC coatings will burn and be damaged at exhaust temperatures over 1300 degrees. A lean fuel mixture can generate exhaust temperatures exceeding 1700-1900 degrees. If the coating is damaged due to a lean condition, the coating will not be warranted, but can be recoated for a fee. No warranty or returns on Ceramic Hot Coated exhaust items once they have been installed. Header Return Policy: Please refer to the header measurement chart below to make sure the header will fit your vehicle and application before ordering. In the event you order a header that will not fit your vehicle and application, you may return them for a refund, providing you don't damage the header. When you receive the header the finish will be protected and must remain unscratched for a refund. If you bend or dimple any of the tubes or scratch the finish, we will not be able to sell the header and will not be able to process a refund. Use care when trial fitting headers. Repack them well to prevent damage returning them to us. We won't process refunds for scratched, dimpled, dented, or bent headers. You can view and download the complete instructions for these headers here.
