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Doug's Headers D313 Full Length Header, 1-3/4 In, 67-74 Camaro, CC

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#447D313

Doug's Headers D313 Full Length Header, 1-3/4 In, 67-74 Camaro, CC

Name: Doug's Headers D313 Full Length Header, 1-3/4 In, 67-74 Camaro, CC
Brand: Doug's Headers
SKU: 447D313
Price: 976.78 USD
Availability: InStock

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Type:

Ceramic Metalic

Stainless Steel

$976.78

/set

Factory Shipped

$1,074.46

Save $97.68

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Product Summary

Long Tube Header Tube Type, Oval Exhaust Port Shape

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Key Specs

MFG. Part #	D313
Header Tube Type	Long Tube
Exhaust Port Shape	Oval
Flange Style	Standard
Primary Tube Diameter	1-3/4"

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Need To Know

Need help?

855.313.9176

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Return Policy

Doug's Headers D313 Details

Coated Header for Chevy

Camaro (67-74) 396-502
Chevelle (65-72) 396-502
Chevy II, Nova (68-74) 396-502
El Camino (65-72) 396-502
Monte Carlo (70-74) 396-502
Passenger Car, Wagon (68-74) 396-502

This part comes standard with Metallic Ceramic Thermal Barrier Coating (MCTBC). MCTBC protects and extends the life of headers by creating a thermal barrier that significantly lowers underhood temperatures and protects the substrate metal from thermal fatigue. It also provide corrosion resistance to protect it for years to come.

Please see our online catalog for specific application information.

Every Dougs header is tuned with the proper tube size and length to efficiently remove all the exhaust from each cylinder, reducing pumping losses resulting in a dramatic increases in horsepower and torque. Dougs headers are carefully developed on the vehicles they are intended to fit and are re-checked numerous times during the design and manufacturing process.Every Dougs header is tuned with the proper tube size and length to efficiently remove all the exhaust from each cylinder, reducing pumping losses resulting in a dramatic increases in horsepower and torque. Dougs headers are carefully developed on the vehicles they are intended to fit and are re-checked numerous times during the design and manufacturing process.

3/8" Thick machined flanges... no warping
CNC mandrel bent tubes... accurate fit & better flow
Precision formed long transition collectors and long tube design... reduces backpressure and increases higher RPM horsepower
Heavy 16 gauge tubing... longer life
Tubes are pre-polished to remove scratches and the header isfinished with a Metallic Ceramic Thermal Barrier Coating polished to a high luster appearance offering corrosion and heat resistance up to 1400 degrees

Doug's Headers D313 1 3/4" 4-Tube Full Length Header Chevrolet Camaro Big Block Chevrolet 67-74 Metallic Ceramic Coating
Ceramic Coated
Collector: 3
Port: SAP
Primary: 1 3/4
Requires Big block frame stands and mounts
Does not fit w/ power glide trans
exc. states w/Calif. emission stds
Will not fit with Saginaw 825 Steering Box
with A/C
For Off-Road Use Only
with Column Shift
with floor shifter

Doug's Headers D313 1 3/4" 4-Tube Full Length Header Chevrolet Camaro Big Block Chevrolet 67-74 Metallic Ceramic Coating
Ceramic Coated
Collector: 3
Port: SAP
Primary: 1 3/4
Requires Big block frame stands and mounts
Does not fit w/ power glide trans
exc. states w/Calif. emission stds
Will not fit with Saginaw 825 Steering Box
with A/C
For Off-Road Use Only
with Column Shift
with floor shifter

Application

1968-1969 Chevrolet Bel Air 6.5L/396 V8
1971-1972 Chevrolet Bel Air 6.6L/402 V8
1968-1969 Chevrolet Bel Air 7L/427 V8
1967-1969 Chevrolet Camaro 6.5L/396 V8
1970-1972 Chevrolet Camaro 6.6L/402 V8
1969 Chevrolet Camaro 7L/427 V8
1968-1969 Chevrolet Caprice 6.5L/396 V8
1971-1972 Chevrolet Caprice 6.6L/402 V8
1968-1969 Chevrolet Caprice 7L/427 V8
1965-1969 Chevrolet Chevelle 6.5L/396 V8
1970-1973 Chevrolet Chevelle 6.6L/400 V8
1970-1972 Chevrolet Chevelle 6.6L/402 V8
1970-1973 Chevrolet Chevelle 7.4L/454 V8
1968 Chevrolet Chevy II 6.5L/396 V8
1968-1969 Chevrolet Corvette 7L/427 V8
1966-1969 Chevrolet El Camino 6.5L/396 V8
1970-1976 Chevrolet El Camino 6.6L/400 V8
1970-1972 Chevrolet El Camino 6.6L/402 V8
1970-1974 Chevrolet El Camino 7.4L/454 V8
1968-1969 Chevrolet Impala 6.5L/396 V8
1971-1972 Chevrolet Impala 6.6L/402 V8
1968-1969 Chevrolet Impala 7L/427 V8
1965-1967 Chevrolet Malibu 6.5L/396 V8
1973-1976 Chevrolet Malibu 6.6L/400 V8
1973-1974 Chevrolet Malibu 7.4L/454 V8
1970-1974 Chevrolet Monte Carlo 6.6L/400 V8
1970-1972 Chevrolet Monte Carlo 6.6L/402 V8
1970-1974 Chevrolet Monte Carlo 7.4L/454 V8
1969 Chevrolet Nova 6.5L/396 V8
1970-1972 Chevrolet Nova 6.6L/402 V8
1970-1971 Chevrolet Nova 7.4L/454 V8
1967-1973 Pontiac Firebird 6.6L/400 V8
1971-1973 Pontiac Firebird 7.5L/455 V8

Charts

Installation Instructions (PDF)

Guides & Documents

Headers Installation Instructions (447D313)

CARB Warning

For use on pre-1966 vehicles only

Emissions warning: this part only legal for sale or use in California if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. ++any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering there are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

CA Prop 65

CARB warning

Doug's Headers D313 Specifications

KEY SPECS
MFG. Part #	D313
Brand	Doug's Headers
Header Tube Type	Long Tube
Exhaust Port Shape	Oval
Flange Style	Standard
Primary Tube Diameter	1-3/4"
Material Type	Steel
Color	Silver
Weld-Up	No
Collector Diameter	3 Inch
Finish	Ceramic Coated
Hardware Included	Yes
Gasket(s) Included	Yes

GENERAL
Sold in Quantity	Pair
GTIN Code	694342507169

Ratings & Reviews

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Fitment

1965-1969 Chevy Bel Air

396 Chevy Big Block V8

1970-1972 Chevy Bel Air

2-Piece Rear Main Chevy 400
402 Chevy Big Block V8

1973-1975 Chevy Bel Air

2-Piece Rear Main Chevy 400

1965-1969 Chevy Biscayne

396 Chevy Big Block V8

1970-1972 Chevy Biscayne

2-Piece Rear Main Chevy 400
402 Chevy Big Block V8

1969 Chevy Brookwood

396 Chevy Big Block V8

1970-1972 Chevy Brookwood

2-Piece Rear Main Chevy 400
402 Chevy Big Block V8

1970-1972 Chevy C10

402 Chevy Big Block V8

1976-1980 Chevy C10

2-Piece Rear Main Chevy 400

1970-1972 Chevy C10 Suburban

402 Chevy Big Block V8

1970-1972 Chevy C20

402 Chevy Big Block V8

1976-1980 Chevy C20

2-Piece Rear Main Chevy 400

1970-1972 Chevy C20 Suburban

402 Chevy Big Block V8

1976-1980 Chevy C20 Suburban

2-Piece Rear Main Chevy 400

1970-1972 Chevy C30

402 Chevy Big Block V8

1976-1979 Chevy C30

2-Piece Rear Main Chevy 400

1967 Chevy Camaro

396 Chevy Big Block V8

1968-1969 Chevy Camaro

Chevy Big Block V8 Mark IV 396 L34
Chevy Big Block V8 Mark IV 396 L78

1970-1972 Chevy Camaro

402 Chevy Big Block V8

1970-1972 Chevy Caprice

2-Piece Rear Main Chevy 400
402 Chevy Big Block V8

1973-1976 Chevy Caprice

2-Piece Rear Main Chevy 400

1970-1972 Chevy Chevelle

2-Piece Rear Main Chevy 400
402 Chevy Big Block V8

1973 Chevy Chevelle

2-Piece Rear Main Chevy 400

1968 Chevy Chevy II

396 Chevy Big Block V8

1965 Chevy Corvette

396 Chevy Big Block V8

1966-1969 Chevy El Camino

396 Chevy Big Block V8

1970-1972 Chevy El Camino

2-Piece Rear Main Chevy 400
402 Chevy Big Block V8

1973-1976 Chevy El Camino

2-Piece Rear Main Chevy 400

1970 Chevy Estate

2-Piece Rear Main Chevy 400
402 Chevy Big Block V8

1976 Chevy G10

2-Piece Rear Main Chevy 400

1975-1980 Chevy G20

2-Piece Rear Main Chevy 400

1975-1980 Chevy G30

2-Piece Rear Main Chevy 400

1970-1972 Chevy Impala

2-Piece Rear Main Chevy 400
402 Chevy Big Block V8

1973-1976 Chevy Impala

2-Piece Rear Main Chevy 400

1970-1972 Chevy K10

402 Chevy Big Block V8

1975-1980 Chevy K10

2-Piece Rear Main Chevy 400

1970-1972 Chevy K10 Suburban

402 Chevy Big Block V8

1975-1979 Chevy K10 Suburban

2-Piece Rear Main Chevy 400

1970-1972 Chevy K20

402 Chevy Big Block V8

1975-1980 Chevy K20

2-Piece Rear Main Chevy 400

1970-1972 Chevy K20 Suburban

402 Chevy Big Block V8

1975-1980 Chevy K20 Suburban

2-Piece Rear Main Chevy 400

1970-1972 Chevy K30

402 Chevy Big Block V8

1977-1980 Chevy K30

2-Piece Rear Main Chevy 400

1975-1979 Chevy K5 Blazer

2-Piece Rear Main Chevy 400

1970-1972 Chevy Kingswood

2-Piece Rear Main Chevy 400
402 Chevy Big Block V8

1973-1976 Chevy Laguna

2-Piece Rear Main Chevy 400

1965-1967 Chevy Malibu

396 Chevy Big Block V8

1973-1976 Chevy Malibu

2-Piece Rear Main Chevy 400

1970-1972 Chevy Monte Carlo

2-Piece Rear Main Chevy 400
402 Chevy Big Block V8

1973-1976 Chevy Monte Carlo

2-Piece Rear Main Chevy 400

1969 Chevy Nova

396 Chevy Big Block V8

1970 Chevy Nova

402 Chevy Big Block V8

1976 Chevy P30

2-Piece Rear Main Chevy 400

1972 Chevy P30 Van

402 Chevy Big Block V8

1970-1972 Chevy Townsman

2-Piece Rear Main Chevy 400
402 Chevy Big Block V8

1967 GMC C25/C2500 Pickup

396 Chevy Big Block V8

1970 GMC C25/C2500 Pickup

396 Chevy Big Block V8

1967 GMC C25/C2500 Suburban

396 Chevy Big Block V8

1970 GMC C25/C2500 Suburban

396 Chevy Big Block V8

1967 GMC C35/C3500 Pickup

396 Chevy Big Block V8

1970 GMC C35/C3500 Pickup

396 Chevy Big Block V8

1973-1974 GMC C35/C3500 Pickup

2-Piece Rear Main Chevy 400

1975-1978 GMC K15

2-Piece Rear Main Chevy 400

1975-1978 GMC K15 Suburban

2-Piece Rear Main Chevy 400

1967-1974 GMC K15/K1500 Pickup

2-Piece Rear Main Chevy 400

1967-1974 GMC K15/K1500 Suburban

2-Piece Rear Main Chevy 400

1979-1980 GMC K1500 Suburban

2-Piece Rear Main Chevy 400

1975-1978 GMC K25

2-Piece Rear Main Chevy 400

1975-1978 GMC K25 Suburban

2-Piece Rear Main Chevy 400

1967 GMC K25/K2500 Pickup

396 Chevy Big Block V8

1970 GMC K25/K2500 Pickup

396 Chevy Big Block V8

1973-1974 GMC K25/K2500 Pickup

2-Piece Rear Main Chevy 400

1967 GMC K25/K2500 Suburban

396 Chevy Big Block V8

1970 GMC K25/K2500 Suburban

396 Chevy Big Block V8

1973-1974 GMC K25/K2500 Suburban

2-Piece Rear Main Chevy 400

1979-1986 GMC K2500 Suburban

2-Piece Rear Main Chevy 400

1967 GMC K35/K3500 Pickup

396 Chevy Big Block V8

1970 GMC K35/K3500 Pickup

396 Chevy Big Block V8

1973-1974 GMC K35/K3500 Pickup

2-Piece Rear Main Chevy 400

1971-1972 GMC Sprint

402 Chevy Big Block V8

1973-1977 GMC Sprint

2-Piece Rear Main Chevy 400

1967 GMC Suburban

396 Chevy Big Block V8
402 Chevy Big Block V8