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 73-91 GM Truck 265-400 SBC 2WD 1 5/8" Primary 3" Collector Silver Ceramic Coated

Mfg Part #: D310
NP#: DOUD310
Brand

Fits 1973 to 1991 Chevrolet Blazer, C10, C10 Pickup and 10 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

$1,491.99 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.

Collector Attachment	3-Bolt Flange
Collector Diameter	3.0 in
Collector Port Diameter	3.0 in
Color	Silver
Cylinder Head Port Shape	Oval
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	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	Oval
Primary Tube Outside Diameter	1.625 in
Primary Tubing Diameter	1.625 in
Sheen Level	Semi-Gloss
Tube Wall Thickness	16 ga.
Brand	Doug's Headers
Mfg part #	D310

Fits these vehicles

Year	Make	Model	Body Style	Engine
1973	Chevrolet	Blazer	-	5.0L 307 V8, 5.7L 350 V8
1974	Chevrolet	Blazer	-	5.7L 350 V8
1987	Chevrolet	Blazer	-	5.0L 305 V8, 5.7L 350 V8
1988 - 1991	Chevrolet	Blazer	-	5.7L 350 V8
1975	Chevrolet	C10	-	5.7L 350 V8
1976	Chevrolet	C10	-	5.7L 350 V8, 6.6L 400 V8
1977 - 1980	Chevrolet	C10	-	5.0L 305 V8, 5.7L 350 V8, 6.6L 400 V8
1981 - 1986	Chevrolet	C10	-	5.0L 305 V8, 5.7L 350 V8
1973	Chevrolet	C10 Pickup	-	5.0L 307 V8, 5.7L 350 V8
1974	Chevrolet	C10 Pickup	-	5.7L 350 V8
1973	Chevrolet	C10 Suburban	-	5.0L 307 V8
1975 - 1976	Chevrolet	C10 Suburban	-	5.7L 350 V8
1977 - 1979	Chevrolet	C10 Suburban	-	5.0L 305 V8, 5.7L 350 V8
1980	Chevrolet	C10 Suburban	-	5.7L 350 V8
1981 - 1986	Chevrolet	C10 Suburban	-	5.0L 305 V8, 5.7L 350 V8
1975	Chevrolet	C20	-	5.7L 350 V8
1976	Chevrolet	C20	-	5.7L 350 V8, 6.6L 400 V8
1977 - 1978	Chevrolet	C20	-	5.0L 305 V8, 5.7L 350 V8, 6.6L 400 V8
1979 - 1980	Chevrolet	C20	-	5.7L 350 V8, 6.6L 400 V8
1981 - 1986	Chevrolet	C20	-	5.0L 305 V8, 5.7L 350 V8
1987	Chevrolet	C20	-	5.7L 350 V8
1973	Chevrolet	C20 Suburban	-	5.0L 307 V8
1975	Chevrolet	C20 Suburban	-	5.7L 350 V8
1976	Chevrolet	C20 Suburban	-	5.7L 350 V8, 6.6L 400 V8
1977 - 1979	Chevrolet	C20 Suburban	-	5.0L 305 V8, 5.7L 350 V8, 6.6L 400 V8
1980	Chevrolet	C20 Suburban	-	5.7L 350 V8, 6.6L 400 V8
1981 - 1986	Chevrolet	C20 Suburban	-	5.0L 305 V8, 5.7L 350 V8
1973	Chevrolet	K10 Suburban	-	5.0L 307 V8
1973	Chevrolet	K20 Suburban	-	5.0L 307 V8
1975 - 1976	Chevrolet	K5 Blazer	-	5.7L 350 V8, 6.6L 400 V8
1977 - 1979	Chevrolet	K5 Blazer	-	5.0L 305 V8, 5.7L 350 V8, 6.6L 400 V8
1980 - 1986	Chevrolet	K5 Blazer	-	5.0L 305 V8, 5.7L 350 V8
1987	Chevrolet	R10 Suburban	-	5.0L 305 V8, 5.7L 350 V8
1988	Chevrolet	R10 Suburban	-	5.7L 350 V8
1989 - 1991	Chevrolet	R1500 Suburban	-	5.7L 350 V8
1987 - 1988	Chevrolet	R20 Suburban	-	5.7L 350 V8
1989 - 1991	Chevrolet	R2500 Suburban	-	5.7L 350 V8
1979 - 1980	GMC	C1500	-	5.0L 305 V8, 5.7L 350 V8, 6.6L 400 V8
1981 - 1986	GMC	C1500	-	5.0L 305 V8, 5.7L 350 V8
1979	GMC	C1500 Suburban	-	5.0L 305 V8, 5.7L 350 V8
1980	GMC	C1500 Suburban	-	5.7L 350 V8
1981 - 1986	GMC	C1500 Suburban	-	5.0L 305 V8, 5.7L 350 V8
1973	GMC	C15/C1500 Pickup	-	5.0L 307 V8
1973	GMC	C15/C1500 Suburban	-	5.0L 307 V8
1975 - 1976	GMC	C15 Suburban	-	5.7L 350 V8
1977 - 1978	GMC	C15 Suburban	-	5.0L 305 V8, 5.7L 350 V8
1979	GMC	C2500	-	5.7L 350 V8, 6.6L 400 V8
1980 - 1986	GMC	C2500	-	5.0L 305 V8, 5.7L 350 V8
1979	GMC	C2500 Suburban	-	5.7L 350 V8
1980	GMC	C2500 Suburban	-	5.7L 350 V8, 6.6L 400 V8
1981	GMC	C2500 Suburban	-	5.7L 350 V8
1982 - 1986	GMC	C2500 Suburban	-	5.0L 305 V8, 5.7L 350 V8
1973	GMC	C25/C2500 Pickup	-	5.0L 307 V8
1973	GMC	C25/C2500 Suburban	-	5.0L 307 V8
1975 - 1976	GMC	C25 Suburban	-	5.7L 350 V8
1977	GMC	C25 Suburban	-	5.0L 305 V8, 5.7L 350 V8
1978	GMC	C25 Suburban	-	5.0L 305 V8, 5.7L 350 V8, 6.6L 400 V8
1979	GMC	C3500	-	5.7L 350 V8, 6.6L 400 V8
1980 - 1985	GMC	C3500	-	5.7L 350 V8
1986	GMC	C3500	-	5.0L 305 V8, 5.7L 350 V8
1975 - 1976	GMC	Jimmy	-	5.7L 350 V8, 6.6L 400 V8
1977 - 1979	GMC	Jimmy	-	5.0L 305 V8, 5.7L 350 V8, 6.6L 400 V8
1980 - 1984	GMC	Jimmy	-	5.0L 305 V8, 5.7L 350 V8
1973	GMC	K15/K1500 Suburban	-	5.0L 307 V8
1973	GMC	K25/K2500 Suburban	-	5.0L 307 V8
1987	GMC	R1500	-	5.0L 305 V8, 5.7L 350 V8
1987	GMC	R1500 Suburban	-	5.0L 305 V8, 5.7L 350 V8
1988 - 1991	GMC	R1500 Suburban	-	5.7L 350 V8
1987	GMC	R2500	-	5.0L 305 V8
1987 - 1989	GMC	R2500	Crew Cab Pickup	5.7L 350 V8
1987 - 1991	GMC	R2500 Suburban	-	5.7L 350 V8
1987 - 1991	GMC	R3500	Crew Cab Pickup	5.7L 350 V8
1987	GMC	R3500	Standard Cab Pickup	5.7L 350 V8

Doug's Headers Long Tube Header 73-91 GM Truck 265-400 SBC 2WD 1 5/8" Primary 3" Collector Silver Ceramic Coated

Does this fit your vehicle?

Description

Fits these vehicles

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