Long Tube Headers for 48-77 Ford 260-351W SBF Mustang II 1-3/4in Primary D623-B

Overview:

48-77 Ford MII SBF Long Tube Black Ctd

Long tube headers provide the greatest increases in horsepower and torque across the entire RPM spectrum. The choice of racers worldwide, Doug's long tube headers are designed for the car owner who wants maximum power and the highest quality header on the market. This fitment is tailored for popular aftermarket engine swap kits. Doug's engine swap headers were developed to solve common fitment issues in tight spaces, making your swap process smoother. No more guesswork or modifications needed - just straightforward installations that save you time and frustration.

Features:

• 3/8" Thick machined flanges to prevent warping
• Precision formed long transition collectors and long tube design reduces backpressure and increases higher RPM horsepower
• Heavy duty 16-gauge tubing for long life
• Tubes are pre-polished to removed scratches before applying metallic ceramic or hi-temp black coating

Specs:

• Brand: Doug's Headers
• Collector Attachment: 3-Bolt Flange
• Collector Diameter: 3.0 IN
• Collector Port Diameter: 3.0 IN
• Color: Black
• Cylinder Head Port Shape: SAP
• Design: Full-length
• EGT Port: No
• Finish: Hi-Temp Black Coating
• Flange Thickness: 0.375 IN
• Gasket Or Seal Included: Yes
• Gaskets Included: Yes
• Grade Type: Performance
• Header Material: Steel
• Header Style: Full-length
• Material: Steel
• Mounting Hardware Included: Yes
• Oxygen Sensor Port: No
• Port Shape: SAP
• Primary Tube Outside Diameter: 1.75 IN
• Primary Tubing Diameter: 1.75 IN
• Prop 65 (C, R or CR): CR
• Prop 65 Yes/No: Yes
• Sheen Level: Matte
• Title: Doug's Long Tube Header 48-77 Ford 260-351W SBF Mustang II type suspension 1 3/4" Primary 3" Collector Black Hi Temp Coated D623-B
• Tube Wall Thickness: 16 GU
• Part Number: D623-B

Emissions:

• This Product is considered а Replacement Part per CARB and EPA regulations for emissions compliance and is legal for sale and use on specified vehicles in all 50 states as stated in Manufacturer's Application Guide and lnstallation Instructions.

Instructions:

• Click here for installation instructions!

Fitment Notes:

• Fits TCI or equivalent Mustang II Suspension Rack and Pinion equipped cars only.
• Manual Transmission require cable or hydraulic clutch
• Will fit with AOD Transmissions.
• 48-52 F-1 and 53-56 F-100 models Fits GT40 P head
• Fits 66-67 Fairlane / 70-77 Maverick / 64-73 Mustang / 67-73 Cougar Models with 260-351W Ford Small Block Engines. Fits 60-70 Falcon / 60-67 Ranchero / 60-65 Comet Models with 260-302 Ford Small Block Engines.