Long Tube Headers for 70-81 GM F Body 265-400 SBC 1-3/4in Primary D324-SS
Long Tube Headers for 70-81 GM F Body 265-400 SBC 1-3/4in Primary D324-SS is backordered and will ship as soon as it is back in stock.
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Fitment
Fitment
Warranty Information
Warranty Information
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Description
Description
Overview:
70-81 GM F Body SBC Long Tube Silver 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:
- Natural stainless-steel finish offers superior resistance to rust and corrosion
- 3/8" thick 304 stainless machine flanges to prevent warping
- CNC 304 stainless mandrel bent tubes for an accurate fit and improved flow
- Precision formed long transition collectors and long tube design reduce backpressure and increase higher RPM horsepower
Specs:
- Brand: Doug's Headers
- Collector Attachment: 3-Bolt Flange
- Collector Diameter: 3.0 IN
- Collector Port Diameter: 3.0 IN
- Color: Silver
- Cylinder Head Port Shape: SAP
- Design: Full-length
- EGT Port: No
- Finish: 304 Stainless Steel
- Flange Thickness: 0.375 IN
- Gasket Or Seal Included: Yes
- Gaskets Included: Yes
- Grade Type: Performance
- Header Material: 304 Stainless Steel
- Header Style: Full-length
- Material: 304 Stainless 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: Satin
- Title: Doug's Long Tube Header 70-81 GM F Body 265-400 SBC 1 3/4" Primary 3" Collector 304 Stainless D324-SS
- Tube Wall Thickness: 16 GU
- Part Number: D324-SS
Applications:
- 1970-1973 Chevrolet Camaro 307 CID
- 1975-1981 Chevrolet Camaro 350 CID
- 1976-1981 Chevrolet Camaro 305 CID
- 1980-1981 Chevrolet Camaro 267 CID
- 1975-1979 Chevrolet Nova 350 CID
- 1976-1979 Chevrolet Nova 305 CID
Emissions:
- This Product is LEGAL for Closed Course Competition use or Pre-Emissions Controlled Vehicles ONLY. It is Not Legal for use on any Emissions Controlled Vehicle for Street or Off Highway use.
Instructions:
Fitment Notes:
- Fits most angle plug heads.
- Reducers available with O2 sensor fitting see catalog listings.
- Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
- Will not work with Column Shift manual trans.
- Fits 70-81 Firebird with 265-400 Small Block Chevrolet Engine Swap and fitment notes listed above
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