66-74 Chevy/GMC 1/2 & 3/4 & 1-Ton 2WD & 4WD, 67-74 Blazer/Jimmy 2WD, 66-72 Blazer/Jimmy K5/Suburban 4WD, 73-74 Blazer/Jimmy K5/Suburban 2WD & 4WD: 283-400, Tube Size 1.5", Collector Size 3". Requires Flowtech air conditioning bracket 10042FLT. May require clutch linkage modification. Does not fit with angle plug heads.
• Parallel ground, o-ringed port flange for a leak-proof seal
• .049 computer controlled mandrel-bent cold roll flash-controlled tubing
• Includes all hardware and premium gaskets
• Precision die-cut exhaust port flanges

Flowtech headers are the perfect combination of performance and value. Flowtech long tube headers are precision engineered using mandrel bent tubing, formed collectors and 5/16" flanges with sealing rings for a leak-free seal. All mounting hardware and gaskets are included for a simple installation. This header is coated in a high heat resistant black paint for a stealthy appearance.

Features:

• Fuel Economy From The Engine
• Leak Test For Max Performance
• Mandrel-Formed Power Plenum
• Leakproof O-Ringed Port Seals
• Include All Mounting Hardware
• Construced of .049 cold roll flash mild steel tubing
• Precision engineered for fit, performance and economy
• Works with factory power steering and power brakes