HDR CHEV TRK BBC 68-87 CTD

This is Garage Sale priced because it is a factory shipped part that we do not sell "in house". Packaging may not be original but part works "just as new".

NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS

Coated Header for Chevy/GMC 2WD & 4WD Trucks & SUV 1/2, 3/4, 1 Ton/ 1500, 2500, 3500 Trucks

• Blazer/Jimmy, Suburban, Tahoe/Yukon (68-87) 396-502 Engine
• 1 Ton/3500 Crew, Standard Cab Dually (73-91) 396-502 Engine
• Class A (Chevy Chassis) (75-91) 396-502 Engine

The Dougs Header you have chosen is raw, not Metallic Ceramic Thermal Barrier Coated (MCTBC) which is the standard finish on all Dougs Headers. The picture you see is the same header with MCTBC which protects and extends the life of headers by creating a thermal barrier that significantly lowers underhood temperatures and protects the substrate metal from thermal fatigue. It also provide corrosion resistance to protect it for years to come.

Please see our online catalog for specific application information.

Every Dougs header is tuned with the proper tube size and length to efficiently remove all the exhaust from each cylinder, reducing pumping losses resulting in a dramatic increases in horsepower and torque. Dougs headers are carefully developed on the vehicles they are intended to fit and are re-checked numerous times during the design and manufacturing process.Every Dougs header is tuned with the proper tube size and length to efficiently remove all the exhaust from each cylinder, reducing pumping losses resulting in a dramatic increases in horsepower and torque. Dougs headers are carefully developed on the vehicles they are intended to fit and are re-checked numerous times during the design and manufacturing process.

• 3/8" Thick machined flanges...no warping
• CNC mandrel bent tubes... accurate fit & better flow
• Tri-Y headers yield maximum power from off idle to 4500 RPM making them well suited for applications demanding maximum mid-range torque with maximum fuel economy
• Heavy 16 gauge tubing...longer life
• Tubes are pre-polished to remove scratches and the header is finished with a Metallic Ceramic Thermal Barrier Coating polished to a high luster appearance offering corrosion and heat resistance up to 1400 degrees

• Doug's Headers D303Y 1 3/4" Tri-Y Header Chevrolet Truck Big Block Chevrolet 68-87 Metallic Ceramic Coating
• Tri-Y Design - Ceramic Coated
• Collector: 2 1/2
• Port Shape: SAP
• Primary Tube: 1 3/4 - 2
• legal for off-highway use (exc. in Calif. or states using Calif. emission standards)
• Non catalytic converter equipped.
• Non catalytic converter equipped
• Not with bell housing mounts
• Requires Big block frame stands and motor mounts
• DUALLY
• with A/C
• without Catalytic Converter
• with Column Shift
• with Floor Shifter

• Doug's Headers D303Y 1 3/4" Tri-Y Header Chevrolet Truck Big Block Chevrolet 68-87 Metallic Ceramic Coating
• Tri-Y Design - Ceramic Coated
• Collector: 2 1/2
• Port Shape: SAP
• Primary Tube: 1 3/4 - 2
• legal for off-highway use (exc. in Calif. or states using Calif. emission standards)
• Non catalytic converter equipped.
• Non catalytic converter equipped
• Not with bell housing mounts
• Requires Big block frame stands and motor mounts
• DUALLY
• with A/C
• without Catalytic Converter
• with Column Shift
• with Floor Shifter

Installation Instructions (PDF)