Long Tube Headers for 78-87 GM G Body 265-400 SBC 1-3/4in Primary D330
Long Tube Headers for 78-87 GM G Body 265-400 SBC 1-3/4in Primary D330 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:
78-87 GM G 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:
- 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
- Cylinder Head Port Shape: SAP
- Design: Full-length
- EGT Port: No
- Finish: Metallic Ceramic Coated
- 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: Semi-Gloss
- Title: Doug's Long Tube Header 78-87 GM G Body 265-400 SBC 1 3/4" Primary 3" Collector Silver Ceramic Coated D330
- Tube Wall Thickness: 16 GU
- Part Number: D330
Applications:
- 1978-1983 Chevrolet Malibu 305 CID
- 1978-1983 Chevrolet Malibu 350 CID
- 1979-1982 Chevrolet Malibu 267 CID
- 1978-1987 Chevrolet Monte Carlo 305 CID
- 1979-1982 Chevrolet Monte Carlo 267 CID
- 1982-1984 Chevrolet Monte Carlo 350 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 168-tooth flywheel if used with Powermaster starter PN 9500
Payment & Security
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