Patriot Exhaust - H7864
Header Flange - 0.313 in Thick - 1.625 in Round Port - Steel - Small Block Chevy - Pair
Patriot Exhaust H7864 Header Flange Pair Chevrolet Small Block 265-400 Tube Diameter 1 5/8" Round Port
EmissionFullDES: 6 - This Product is Certified by the Manufacturer as being a 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.