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Price: $987.69
Every header is tuned with the proper tube size and length to efficiently remove all the exhaust from each cylinder reducing pumping losses for dramatic gains in horsepower and torque. Dougs headers are carefully developed on the vehicles they are intended to fit and are checked and rechecked numerous times during the design and manufacturing process.Once you check the heavy-duty 1/2 to 5/8 thick machined and finished header flanges the smooth mandrel bent tubes and the attention pa id to assembly youll want Dougs.The Metallic Ceramic Thermal Barrier Coating (MCTBC) is simply the best header finish on the market and is the standard finish on all Dougs headers
1965-81 396 - 502Ci Chevrolet Big Block Doug's Ceramic Coated Shorty Headers Product DetailsEvery header is tuned with the proper tube size and length to efficiently remove all the exhaust from each cylinder reducing pumping losses for dramatic gains in horsepower and torque. Dougs headers are carefully developed on the vehicles they are intended to fit and are checked and rechecked numerous times during the design and manufacturing process.Once you check the heavy-duty 1/2 to 5/8 thick machined and finished header flanges the smooth mandrel bent tubes and the attention pa id to assembly youll want Dougs.The Metallic Ceramic Thermal Barrier Coating (MCTBC) is simply the best header finish on the market and is the standard finish on all Dougs headers. MCTBC protects and extends the life of headers by creatin g a thermal barrier that significantly lowers under hood temperatures while protecting substrate metal from thermal fatigue.Dougs finishes their headers with a vibratory finishing process that compresses and activates the coating significa ntly increasing surface hardness to produce a coating 60% more corrosion resistant than standard header coating. This coating is easy to maintain and will not change color under normal operating conditions.Dougs has made that commitment and t heir name has become synonymous with quality. Theres no compromise at Dougs.Each header set includes all the necessary mounting hardware collector reducers or connector pipes (when required) premium gaskets and detailed installation instru ction sheets. Our extra thick gaskets are rated up to 1100°F and are designed for an exact port match with Dougs headers. Important: Be sure to read the important Application and Emission Notes listed below pertaining to each header system for correct application. Note: Check your local or state laws before installing. Shipped oversize.Specifications:1-3/4 Tube Diameter3 Collector Diameter3/8 Thick Machined FlangesSame As Cylinder Head PortCamaro Applications:1967-81 396ci - 502ci Chevrolet Big Block:With Air ConditioningWith Power SteeringWith Power BrakesAutomatic Transmission with Floor ShiftManual Transmission with Floor ShiftApplication Notes:Will not fit with column shiftSh orty design for maximum ground clearanceWill not fit with Saginaw close ratio 825 steering boxBig block frame stands and motor mounts must be used to insure proper enginelocation and header fitWill fit with Detroit Speed & Engineering front subframes with rack and pinion steering Emission Notes:This product is Not legal for Street or Off Highway use in California or in states that have adopted Califor nia Emissions Regulations and is only intended for Closed Course Competition use except 1965 and Older US manufactured California Certified vehicles 1967 or older US manufactured Federally Certified vehicles which may have any aftermarket add-on or modi fied part installed as long as the vehicle can still meet the tailpipe emission standards for the year of the vehicle and retain any original or retrofit crankcase control (PCV) devices and NOx device required for the year of the vehicle. Impala / Full Size Applications:1965-74 396ci - 502ci Chevrolet Big Block:With Air ConditioningWith Power SteeringWith Power BrakesWith Automatic with Floor ShiftManual Transmissio n with Floor ShiftApplication Notes:Shorty design for maximum ground clearanceWill not fit Saginaw close ratio with 825 power steering boxBig block frame stands a nd motor mounts must be used to insure proper engine location and header fit Emission Notes:This product is Not legal for Street or Off Highway use in California or in states that ha ve adopted California Emissions Regulations and is only intended for Closed Course Competition use except 1965 and Older US manufactured California Certified vehicles 1967 or older US manufactured Federally Certified vehicles which may have any aftermar ket add-on or modified part installed as long as the vehicle can still meet the tailpipe emission standards for the year of the vehicle and retain any original or retrofit crankcase control (PCV) devices and NOx device required for the year of the vehic le.Chevy II / Nova Applications: 1968-79 396ci - 502ci Chevrolet Big Block:With Air ConditioningWithout Power SteeringWith Power BrakesAutomatic Transmission with Floor ShiftManual Transmission with Floor ShiftApplication Notes:Shorty design for maximum ground clearance Will not fit Saginaw close ratio with 825 power steering box Big block frame stands and motor mounts must be used to insure properengine location and header fit Emission Notes:This product is Not legal for Street or Off Highway use in Ca lifornia or in states that have adopted California Emissions Regulations and is only intended for Closed Course Competition use except 1965 and Older US manufactured California Certified vehicles 1967 or older US manufactured Federally Certified vehicle s which may have any aftermarket add-on or modified part installed as long as the vehicle can still meet the tailpipe emission standards for the year of the vehicle and retain any original or retrofit crankcase control (PCV) devices and NOx device requi red for the year of the vehicle.
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