FLT11701 Big Block Chevy; Tube Size 1-3/4"; Collector Size 2-1/2"; Black Paint

Flowtech Headers are the perfect combination of quality and value. This tight fit block hugger header fits all popular hot rods with the popular Big Block Chevy motor. Features: Tight fit block hugger design for popular hot rods powered by the popular Big Block Chevy engine Mandrel-bent tubes provide consistent tubing diameters for smooth flow and increased exhaust velocity Heavy duty 16-gauge tubing for increased strength and durability Smooth transition, 1-3/4” diameter primary tubes are used for increased exhaust flow increasing performance and improving throttle response TIG-welded 2-1/2” collector for maximum strength Machined 3/8” header flange for a leak-free seal and maximum strength Premium aluminum header gaskets included Adapter tubes are supplied for easy exhaust connection High heat resistant black paint coating for a classic finish