Fits: 1967-76 A-body, 1966-74 B-body & 1970-74 E-body, Ceramic Coated with a Thermal Barrier
Designed for: 383-400 B-engines & 440 RB-engines
Primary tube size: 1-3/4" O.D.
Collector size: 2-1/2" with 2-1/2" 3-bolt flange
Flanges: 3/8" thick, laser-cut, contoured for a leak free fit
Material: Constructed of 16 gauge mild steel tubing. Mandrel bent on sophisticated computer controlled bending machines for precise fit and uninterrupted exhaust flow. The mandrel bending process maintains a constant inside diameter of the tube for a smoother finish with no restriction of flow and no crimping of the tubes.
One piece design: One piece header tubes / No slip tubes
Under chassis design: Above the steering center link design offers maximum header to ground clearance
Shorty header design: 2-1/2" Header Adapter Pipes required to transition Exhaust systems to headers
Recommended for: Up to 475 horsepower
Header set includes: Header gaskets & header bolts