Long Tube Headers for 66-87 Chevy GMC Pickups SUVs 283-400 V8 | Black Paint

Features Fit 60-87 Chevy/GMC trucks and SUVs (2WD & 4WD) with 283-400 cu. in. small block V8 Full length design for power gain from mid to high RPM range Fully mandrel bent tubes made of 16-gauge mild steel Head flanges laser-cut from 5/16-inch thick steel plates Flanges flattened by hydraulic press for precise and leak-free seal All joints TIG welded for resistance against cracking and wearing Black paint coating that withstands up to 500 degrees Celsius Tech Specs Type Long Tube Primaries Diameter 1-1/2 in. (38mm) Collector Diameter 3 in. (76mm) Head Flange Thickness 5/16 in. (8.0mm) Pipe Thickness 16-gauge (1.5mm) Material Mild Steel Finish Black Paint Compatibility Fitment Notes For pre-1979 models, additional bracket may be necessary for air conditioning May require clutch linkage modification Does not fit with angle plug heads Applications Chevrolet 1966-1987 Chevrolet C10/C20/C30 283-400 Cu. in. V8 1966-1987 Chevrolet K10/K20/K30 283-400 Cu. in. V