Doug's Headers 1978-87 Chevy Malibu/Monte Carlo Small Block 1 3/4" Long Tube Header D330

Name: Doug's Headers 1978-87 Chevy Malibu/Monte Carlo Small Block 1 3/4" Long Tube Header D330
Brand: Doug's Headers
SKU: 5124721
Price: 1389.2870320933744 CAD
Availability: OnlineOnly

from $1,389.29 st

Available Options

Model: 5124721

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Description Vehicle Fitment Downloads Specifications Reviews (0) Product Q&A Related Products

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

About Doug's Headers

Doug's Headers are a fixture in the motorsports aftermarket, pioneering quality muscle car performance headers for decades. Unlike the competition, Doug's Headers prides ourselves on superior design detail resulting in a hassle-free installation for any application.

Downloads:

Download Name	File Size
D330.pdf	359.99KB

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.

Make	Model	Years	Engine	Fitment Notes
Chevrolet	Malibu	1978	5.7L / 350 / V8 5.0L / 305 / V8	Collector: 3; Port: SAP; Primary: 1 3/4; exc. states w/Calif. emission stds; One tube each side over frame; Reducers avail. W/ O2 sensor fitting;Fits 168-tooth flywheel if used W/ Powermaster starter 9500 Full-length
Chevrolet	Malibu	1979	4.4L / 267 / V8 5.7L / 350 / V8 5.0L / 305 / V8	Collector: 3; Port: SAP; Primary: 1 3/4; exc. states w/Calif. emission stds; One tube each side over frame; Reducers avail. W/ O2 sensor fitting;Fits 168-tooth flywheel if used W/ Powermaster starter 9500 Full-length
Chevrolet	Malibu	1980	4.4L / 267 / V8 5.7L / 350 / V8 5.0L / 305 / V8	Collector: 3; Port: SAP; Primary: 1 3/4; exc. states w/Calif. emission stds; One tube each side over frame; Reducers avail. W/ O2 sensor fitting;Fits 168-tooth flywheel if used W/ Powermaster starter 9500 Full-length
Chevrolet	Malibu	1981	5.7L / 350 / V8 5.0L / 305 / V8 4.4L / 267 / V8	Collector: 3; ; Port: SAP; Primary: 1 3/4; exc. states w/Calif. emission stds; One tube each side over frame; Reducers avail. W/O2 sensor fitting;Fits 168-tooth flywheel if used W/Powermaster starter PN 9500 Full-length
Chevrolet	Malibu	1982	5.7L / 350 / V8 5.0L / 305 / V8 4.4L / 267 / V8	Collector: 3; ; Port: SAP; Primary: 1 3/4; exc. states w/Calif. emission stds; One tube each side over frame; Reducers avail. W/O2 sensor fitting;Fits 168-tooth flywheel if used W/Powermaster starter PN 9500 Full-length
Chevrolet	Malibu	1983	5.7L / 350 / V8 5.0L / 305 / V8	Collector: 3; ; Port: SAP; Primary: 1 3/4; exc. states w/Calif. emission stds; One tube each side over frame; Reducers avail. W/O2 sensor fitting;Fits 168-tooth flywheel if used W/Powermaster starter PN 9500 Full-length
Chevrolet	Monte Carlo	1978	5.0L / 305 / V8	Collector: 3; Port: SAP; Primary: 1 3/4; exc. states w/Calif. emission stds; One tube each side over frame; Reducers avail. W/ O2 sensor fitting;Fits 168-tooth flywheel if used W/ Powermaster starter 9500 Full-length
Chevrolet	Monte Carlo	1979	4.4L / 267 / V8 5.0L / 305 / V8	Collector: 3; Port: SAP; Primary: 1 3/4; exc. states w/Calif. emission stds; One tube each side over frame; Reducers avail. W/ O2 sensor fitting;Fits 168-tooth flywheel if used W/ Powermaster starter 9500 Full-length
Chevrolet	Monte Carlo	1980	4.4L / 267 / V8 5.0L / 305 / V8	Collector: 3; Port: SAP; Primary: 1 3/4; exc. states w/Calif. emission stds; One tube each side over frame; Reducers avail. W/ O2 sensor fitting;Fits 168-tooth flywheel if used W/ Powermaster starter 9500 Full-length
Chevrolet	Monte Carlo	1981	5.0L / 305 / V8 4.4L / 267 / V8	Collector: 3; ; Port: SAP; Primary: 1 3/4; exc. states w/Calif. emission stds; One tube each side over frame; Reducers avail. W/O2 sensor fitting;Fits 168-tooth flywheel if used W/Powermaster starter PN 9500 Full-length
Chevrolet	Monte Carlo	1982	5.7L / 350 / V8 5.0L / 305 / V8 4.4L / 267 / V8	Collector: 3; ; Port: SAP; Primary: 1 3/4; exc. states w/Calif. emission stds; One tube each side over frame; Reducers avail. W/O2 sensor fitting;Fits 168-tooth flywheel if used W/Powermaster starter PN 9500 Full-length
Chevrolet	Monte Carlo	1983	5.7L / 350 / V8 5.0L / 305 / V8	Collector: 3; ; Port: SAP; Primary: 1 3/4; exc. states w/Calif. emission stds; One tube each side over frame; Reducers avail. W/O2 sensor fitting;Fits 168-tooth flywheel if used W/Powermaster starter PN 9500 Full-length
Chevrolet	Monte Carlo	1984	5.7L / 350 / V8 5.0L / 305 / V8	Collector: 3; ; Port: SAP; Primary: 1 3/4; exc. states w/Calif. emission stds; One tube each side over frame; Reducers avail. W/O2 sensor fitting;Fits 168-tooth flywheel if used W/Powermaster starter PN 9500 Full-length
Chevrolet	Monte Carlo	1985	5.0L / 305 / V8	Collector: 3; ; Port: SAP; Primary: 1 3/4; exc. states w/Calif. emission stds; One tube each side over frame; Reducers avail. W/O2 sensor fitting;Fits 168-tooth flywheel if used W/Powermaster starter PN 9500 Full-length
Chevrolet	Monte Carlo	1986	5.0L / 305 / V8	Collector: 3; ; Port: SAP; Primary: 1 3/4; exc. states w/Calif. emission stds; One tube each side over frame; Reducers avail. W/O2 sensor fitting;Fits 168-tooth flywheel if used W/Powermaster starter PN 9500 Full-length
Chevrolet	Monte Carlo	1987	5.0L / 305 / V8	Collector: 3; ; Port: SAP; Primary: 1 3/4; exc. states w/Calif. emission stds; One tube each side over frame; Reducers avail. W/O2 sensor fitting;Fits 168-tooth flywheel if used W/Powermaster starter PN 9500 Full-length

Specifications:

Collector Attachment	3-Bolt Flange
Collector Diameter	3.0 IN
Collector Port Diameter	3.0 IN
Cylinder Head Port Shape	SAP
Design	Full-length
Flange Thickness	0.375 IN
Gasket Or Seal Included	Yes
Gaskets Included	Yes
Grade Type	Performance
Header Style	Full-length
Mounting Hardware Included	Yes
Oxygen Sensor Port	No
Part Type	Exhaust Header
Port Shape	SAP
Primary Tube Outside Diameter	1.75 IN
Proposition 65	www.P65Warnings.ca.gov
Tube Wall Thickness	16 GU
Warranty Time	24 Months

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Doug's Headers 1978-87 Chevy Malibu/Monte Carlo Small Block 1 3/4" Long Tube Header D330

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