How much is shipping and when does it ship?

It ships Sep 30. Ground shipping in Canada is free on orders of $100 and up, $9.99 under that.

Can Northern Performance install it?

Yes. Buy it online and have us install it at our Service Centre. The Service Centre is at 1164 Walkers Line, Burlington, Ontario.

Doug's Headers Long Tube Header 64-77 GM F & A Body 396-502 BBC 1 3/4" Primary 3" Collector Black Hi Temp Coated

Mfg Part #: D313-B
NP#: DOUD313-B
Brand

Fits 1965 to 1976 Chevrolet Bel Air, Biscayne, Brookwood and 9 more models, and 1 more make. See every vehicle

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

$1,079.99 CAD Ships Sep 30

Free shipping in Canada, ships Sep 30

Availability:

Book installation at our Service Centre

Does this fit your vehicle?

Does not fit a 2021 Ram 1500. See what it does fit.

Description

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.

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
EmissionFullDES	3 - 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.
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	Round
Primary Tube Outside Diameter	1.75 in
Primary Tubing Diameter	1.75 in
Sheen Level	Matte
Tube Wall Thickness	16 ga.
Brand	Doug's Headers
Mfg part #	D313-B

Fits these vehicles

Year	Make	Model	Engine
1968 - 1969	Chevrolet	Bel Air	6.5L 396 V8, 7.0L 427 V8
1970 - 1972	Chevrolet	Bel Air	6.6L 402 V8, 7.4L 454 V8
1973 - 1974	Chevrolet	Bel Air	7.4L 454 V8
1968 - 1969	Chevrolet	Biscayne	6.5L 396 V8, 7.0L 427 V8
1970 - 1972	Chevrolet	Biscayne	6.6L 402 V8, 7.4L 454 V8
1969	Chevrolet	Brookwood	6.5L 396 V8, 7.0L 427 V8
1970 - 1972	Chevrolet	Brookwood	6.6L 402 V8, 7.4L 454 V8
1967 - 1968	Chevrolet	Camaro	6.5L 396 V8
1969	Chevrolet	Camaro	6.5L 396 V8, 7.0L 427 V8
1970 - 1972	Chevrolet	Camaro	6.6L 402 V8
1968 - 1969	Chevrolet	Caprice	6.5L 396 V8, 7.0L 427 V8
1970 - 1972	Chevrolet	Caprice	6.6L 402 V8, 7.4L 454 V8
1975 - 1976	Chevrolet	Caprice	7.4L 454 V8
1965	Chevrolet	Chevelle	6.5L 396 V8
1967	Chevrolet	Chevelle	6.5L 396 V8
1970 - 1972	Chevrolet	Chevelle	6.6L 402 V8, 7.4L 454 V8
1968	Chevrolet	Chevy II	6.5L 396 V8
1966 - 1969	Chevrolet	El Camino	6.5L 396 V8
1970	Chevrolet	El Camino	6.5L 396 V8, 6.6L 402 V8, 7.4L 454 V8
1971 - 1972	Chevrolet	El Camino	6.6L 402 V8, 7.4L 454 V8
1973 - 1975	Chevrolet	El Camino	7.4L 454 V8
1968 - 1969	Chevrolet	Impala	6.5L 396 V8, 7.0L 427 V8
1970 - 1972	Chevrolet	Impala	6.6L 402 V8, 7.4L 454 V8
1973 - 1976	Chevrolet	Impala	7.4L 454 V8
1969	Chevrolet	Kingswood	6.5L 396 V8, 7.0L 427 V8
1970 - 1972	Chevrolet	Kingswood	6.6L 402 V8, 7.4L 454 V8
1970 - 1972	Chevrolet	Monte Carlo	6.6L 402 V8, 7.4L 454 V8
1973 - 1974	Chevrolet	Monte Carlo	7.4L 454 V8
1969	Chevrolet	Nova	6.5L 396 V8
1970 - 1971	Chevrolet	Nova	6.6L 402 V8, 7.4L 454 V8
1972	Chevrolet	Nova	6.6L 402 V8
1967	Pontiac	Firebird	5.3L 326 V8, 6.6L 400 V8
1968 - 1970	Pontiac	Firebird	5.7L 350 V8, 6.6L 400 V8
1971 - 1976	Pontiac	Firebird	5.7L 350 V8, 6.6L 400 V8, 7.5L 455 V8
1977	Pontiac	Firebird	4.9L 301 V8, 5.0L 305 V8, 5.7L 350 V8, 6.6L 400 V8, 6.6L 403 V8
1978	Pontiac	Firebird	5.0L 305 V8, 5.7L 350 V8, 6.6L 400 V8, 6.6L 403 V8
1979	Pontiac	Firebird	4.9L 301 V8, 5.0L 305 V8, 5.7L 350 V8, 6.6L 400 V8, 6.6L 403 V8
1980	Pontiac	Firebird	4.3L 265 V8, 4.9L 301 V8, 5.0L 305 V8
1981	Pontiac	Firebird	4.3L 265 V8, 4.4L 267 V8, 4.9L 301 V8, 5.0L 305 V8

Doug's Headers Long Tube Header 64-77 GM F & A Body 396-502 BBC 1 3/4" Primary 3" Collector Black Hi Temp Coated

Does this fit your vehicle?

Description

Fits these vehicles

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