1967-1974 Headers chevrolet, gmc, pick-up, suburban Small Block

Flowtech Headers

These Flowtech headers fit small block Chevy engines for for Chevy and GMC 1967-74 model year vehicles. These long-tube (or full-length) headers are steel constructed and are come with a painted finish. All tubing is mandrel-bent to provide consistent tubing diameter for smooth flow and increased exhaust velocity. Extra-thick, machined header flanges provide a leak-free seal and maximum strength. All mounting hardware and premium gaskets are included.

Depending on application, features may include:

* Leakproof O-ringed port seals on select headers
* Available to work with factory power steering and power brakes
* Where applicable, welded-in collector merge spears control exhaust gas re-entry into primary tubes

Header Style:Long tube one-piece 

Header Material:Steel 

Primary Tube Outside Diameter (in.):1 1/2 in. 

Header Color:Temporary non-high temperature paint 

Flange Style:Standard 

Weld-Up:No 

Collector Attachment:3-bolt flange 

Collector Diameter (in.):3.00 

Collector Reducers Included:Yes 

Collector Reducer Exit Diameter:2.500 in. 

Tuned:No 

Primary Tube Gauge:18-gauge 

Spark Plug Position:Straight 

Flange Thickness (in.):0.31 in. 

Bolts/Studs Included:Yes 

Gaskets Included:Yes 

Crossover Pipe Included:No 

Catalytic Converter(s) Included:No 

Motor Mounts Included:No 

Transmission Mount Included:No 

Quantity:Sold as a pair.