66-91 GM Truck Long Tube Headers 2WD and 4WD GM trucks with Small Block Chevy Engine
Features
Fit: 1966-91 GM Trucks 2WD & 4WD (see years and models bellow)
Material: Steel
Finish: polished
Header Style: Long Tubes
1-5/8" Primary Tubes Diameter
Oval Exhaust Port Shape
0.35" Flange Thickness
3" Collector Diameter
1-5/8" tubes, 3/8" flanges
Mounting Hardware & Gaskets Included
Sold as a Complete Set
Fitment for:
1966-1972 1/2 & 3/4 Ton
1967-1989 Blazer/Jimmy 2WD
1969-1991 4WD
1973-1987 All
1973-1991 Suburban 2WD/4WD
1988-1991 C10 1-Ton Crew Cab 2WD/4WD
*Important Notes:
Will NOT fit angle plug heads.
Must modify exhaust to retain factory catalytic converters.
May require clutch linkage modification.