Patriot Header Flange - 0.375 in Thick - 2.5 in Round Port - Big Block Chevy (Pair) 011386 Replacement lower shell available under

Replacement lower shell available under 146301

With the aFe POWER Pedal 2 Metal installed

100-320 Degrees

Inlet & outlet tapped for 3/8" NPT

Pressure Relief Valve / Springs / Spacer Plate / Oil Pump Cover Gasket / Hardware

Patriot Header Flange - 0.375 in Thick - 2.5 in Round Port - Big Block Chevy (Pair) 011386 Replacement lower shell available underProduct Description: Header Flange 0. 375 in Thick 2. 5 in Round Port Steel Natural Big Block Chevy Pair Patriot Exhaust products continue to offer the best value for the dollar of any brand in the industry. If you need components to build your own header and exhaust system Patriot Exhaust is the place to come! Mild steel, 304 stainless steel and aluminized bends are available in 1 1 4 to 4 diameters with a multitude of radius and wall thickness