Doug's Headers D322-SS 304 Stainless Long Tube Header 67-74 GM A, F, G Body BBC 396-502 BBC 2" Primary 3 1/2" Collector
Doug's Headers D322-SS 304 Stainless Long Tube Header 67-74 GM A, F, G Body BBC 396-502 BBC 2" Primary 3 1/2" Collector
Features & Benefits
Features & Benefits
- Natural stainless-steel finish offers superior resistance to rust and corrosion
- 3/8" thick 304 stainless machine flanges to prevent warping
- CNC 304 stainless mandrel bent tubes for an accurate fit and improved flow
- Precision formed long transition collectors and long tube design reduce backpressure and increase higher RPM horsepower
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.
For the enthusiast who demands the best, Doug's Headers are not just components; they're a statement of excellence, a commitment to leading-edge performance, and a nod to the glory days of muscle cars and drag racing. Join the ranks of champions. Experience the unmatched quality and performance of Doug's Headers today.
Specifications
Specifications
| Finish | 304 Stainless Steel |
|---|---|
| Material | 304 Stainless Steel |
| Design | Full-length |
| Primary Tubing Diameter | 2.0 Inches |
| Collector Port Diameter | 3.5 Inches |
| Port Shape | SAP |
| Tube Wall Thickness | 16 Gauge |
| Flange Thickness | 0.375 Inches |
| Collector Attachment | 3-Bolt Flange |
| Oxygen Sensor Port | No |
| Gasket Or Seal Included | Yes |
| Mounting Hardware Included | Yes |
| Grade Type | Performance |
| Color | Silver |
| Sheen Level | Satin |
Shipping & Delivery
Shipping & Delivery
Our ignition and exhaust products ship from our warehouse in Lenexa, KS. Our normal shipping time is 2-3 business days for in-stock parts.
| Â Shipping Class | Order Value | Shipping Cost |
| UPS Ground | $0 - 49.99 | $6.99 flat rate |
| UPS Ground | $50 - 98.99 | $7.49 flat rate |
| UPS Ground | $99+ | Free |
- At this time, PerTronix does not offer expedited shipping options from our website.
- All packages must be inspected upon receipt for any missing or damaged goods and claims for such must be made within 7 days of receipt.
-
PerTronix does not currently ship our products internationally from our web store. For international orders call 909-599-5955 or connect with us here.
- Once an item has tracking info, it cannot be cancelled. If you decide you don’t want the items after shipment, please take receipt of the item and process it via our return policy. Thank you for understanding!
Returns, Replacements & Warranty
Returns, Replacements & Warranty
Returns at Pertronix are accepted within 90 days of purchase with prior authorization, ensuring items are in new, resalable condition. To initiate a return, call for an RGA and follow provided instructions. Customers are responsible for return shipping, using a trackable method.
Refunds exclude initial shipping and handling fees and may be subject to a restocking fee. For defective or damaged items, contact Pertronix directly. We are not responsible for user-initiated damage/loss of parts.
For complete details, visit our Returns page.
Warranty
All Doug's headers and exhaust products are guaranteed, to the original purchaser, to be free of defects in materials and workmanship for one year. This warranty covers the replacement or repair of the product only and does not cover the cost of removal and installation, customer applied aftermarket coatings or any other discoloration or corrosion of finished surfaces. Damage or product failure resulting from collision,improper installation, off-road use, road hazards, the use of exhaust insulting wrap or like products or rust occurring after installation, is not covered by the warranty. Should a part become defective it should be returned to the original selling retailer and must be accompanied with the original sales receipt. If there is no retailer in your area, call the factory for a return authorization and return your part prepaid to the factory for inspection. PerTronix reserves the right to replace or repair the alleged defective part and return the part freight collect.
Reviews
Reviews
Doug's Headers D322-SS 304 Stainless Long Tube Header 67-74 GM A, F, G Body BBC 396-502 BBC 2" Primary 3 1/2" Collector
Doug's Headers D322-SS 304 Stainless Long Tube Header 67-74 GM A, F, G Body BBC 396-502 BBC 2" Primary 3 1/2" Collector
Regular price
$911.45
Sale price
$911.45
Regular price
Unit price
per
$100 MAIL-IN REBATE Learn more
Does This part fit My vehicle?
- Free shipping on $99+ orders in lower 48 states
- 90-day return policy
- We’re here to help! Call us on 909-599-5955
Similar Products
Doug's Headers D322-SS 304 Stainless Long Tube Header 67-74 GM A, F, G Body BBC 396-502 BBC 2" Primary 3 1/2" Collector
Part Number: D322-SS
Regular price
$911.45
Sale price
$911.45
Regular price
Unit price
per
Vendor
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Part Number: {{ variants.0.sku }}
Regular price
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Sale price
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EMISSIONS CODE
What does this emissions code mean?
Features & Benefits
Features & Benefits
- Natural stainless-steel finish offers superior resistance to rust and corrosion
- 3/8" thick 304 stainless machine flanges to prevent warping
- CNC 304 stainless mandrel bent tubes for an accurate fit and improved flow
- Precision formed long transition collectors and long tube design reduce backpressure and increase higher RPM horsepower
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.
For the enthusiast who demands the best, Doug's Headers are not just components; they're a statement of excellence, a commitment to leading-edge performance, and a nod to the glory days of muscle cars and drag racing. Join the ranks of champions. Experience the unmatched quality and performance of Doug's Headers today.
Specifications
Specifications
| Finish | 304 Stainless Steel |
|---|---|
| Material | 304 Stainless Steel |
| Design | Full-length |
| Primary Tubing Diameter | 2.0 Inches |
| Collector Port Diameter | 3.5 Inches |
| Port Shape | SAP |
| Tube Wall Thickness | 16 Gauge |
| Flange Thickness | 0.375 Inches |
| Collector Attachment | 3-Bolt Flange |
| Oxygen Sensor Port | No |
| Gasket Or Seal Included | Yes |
| Mounting Hardware Included | Yes |
| Grade Type | Performance |
| Color | Silver |
| Sheen Level | Satin |
Shipping & Delivery
Shipping & Delivery
Our ignition and exhaust products ship from our warehouse in Lenexa, KS. Our normal shipping time is 2-3 business days for in-stock parts.
| Â Shipping Class | Order Value | Shipping Cost |
| UPS Ground | $0 - 49.99 | $6.99 flat rate |
| UPS Ground | $50 - 98.99 | $7.49 flat rate |
| UPS Ground | $99+ | Free |
- At this time, PerTronix does not offer expedited shipping options from our website.
- All packages must be inspected upon receipt for any missing or damaged goods and claims for such must be made within 7 days of receipt.
-
PerTronix does not currently ship our products internationally from our web store. For international orders call 909-599-5955 or connect with us here.
- Once an item has tracking info, it cannot be cancelled. If you decide you don’t want the items after shipment, please take receipt of the item and process it via our return policy. Thank you for understanding!
Returns, Replacements & Warranty
Returns, Replacements & Warranty
Returns at Pertronix are accepted within 90 days of purchase with prior authorization, ensuring items are in new, resalable condition. To initiate a return, call for an RGA and follow provided instructions. Customers are responsible for return shipping, using a trackable method.
Refunds exclude initial shipping and handling fees and may be subject to a restocking fee. For defective or damaged items, contact Pertronix directly. We are not responsible for user-initiated damage/loss of parts.
For complete details, visit our Returns page.
Warranty
All Doug's headers and exhaust products are guaranteed, to the original purchaser, to be free of defects in materials and workmanship for one year. This warranty covers the replacement or repair of the product only and does not cover the cost of removal and installation, customer applied aftermarket coatings or any other discoloration or corrosion of finished surfaces. Damage or product failure resulting from collision,improper installation, off-road use, road hazards, the use of exhaust insulting wrap or like products or rust occurring after installation, is not covered by the warranty. Should a part become defective it should be returned to the original selling retailer and must be accompanied with the original sales receipt. If there is no retailer in your area, call the factory for a return authorization and return your part prepaid to the factory for inspection. PerTronix reserves the right to replace or repair the alleged defective part and return the part freight collect.
Reviews
Reviews
EMISSIONS PLACARD
PerTronix Performance Ignition and Exhaust Brands use a voluntary product identification program whereby all emission sensitive products can be identified by placing numbered labels in product packaging and listing corresponding numeric codes next to each part number. The corresponding numbers and explanations are as follows:
PERTRONIX PERFORMANCE BRANDS EMISSIONS CODES
This product has been granted a California Air Resources Board (CARB) Executive Order (EO Number) Exemption. It is 50 State Legal when installed on the Specified vehicle per the Manufacturer’s Current Application Guide, the CARB EO, and Installation Instructions.
PERTRONIX PERFORMANCE BRANDS EMISSIONS CODES
This product is Legal for use on Pre-PoIIution Controlled Vehicles. It is legal for use on all vehicles produced Before Emissions Control Regulations were imposed. These are considered Uncontrolled Vehicles and are defined as follows
- 1965 and Older US Manufactured California Certified Vehicles
- 1967 and Older US Manufactured Federally Certified Vehicles
- 1967 and Older Foreign Manufactured Vehicles
PERTRONIX PERFORMANCE BRANDS EMISSIONS CODES
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.
PERTRONIX PERFORMANCE BRANDS EMISSIONS CODES
This Product is considered а Replacement Part per CARB and EPA regulations for emissions compliance and is legal for sale and use on specified vehicles in all 50 states as stated in Manufactured's Application Guide and lnstallation Instructions.
PERTRONIX PERFORMANCE BRANDS EMISSIONS CODES
This Product is legal for Street or Off Highway use in 49 States. This product meets the EPA Anti Tampering Policy for Reasonable Basis that allows the stated vehicle to operate within the legal emissions standards in states that do not require а California EO. This product in Not Legal for Street or Off Highway use in California.
PERTRONIX PERFORMANCE BRANDS EMISSIONS CODES
This Product is Certified by the Manufacturer as being а Non-Emissions Related part per CARB and EPA regulations and therefore does not require emissions certification or CARB EO and is legal in all 50 states.
Applications
| Year / Make / Model | 1970-1972 Chevrolet Biscayne |
|---|---|
| Qualifier | without Air Conditioning |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 402, 454 |
| Notes |
|
| Year / Make / Model | 1970-1972 Chevrolet Brookwood |
|---|---|
| Qualifier | without Air Conditioning |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 402, 454 |
| Notes |
|
| Year / Make / Model | 1968-1969 Chevrolet C10 Pickup |
|---|---|
| Qualifier | without Catalytic Converter |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 396 |
| Notes |
|
| Year / Make / Model | 1970-1972 Chevrolet C10 Pickup |
|---|---|
| Qualifier | without Catalytic Converter |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 402 |
| Notes |
|
| Year / Make / Model | 1973-1974 Chevrolet C10 Pickup |
|---|---|
| Qualifier | without Catalytic Converter |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 454 |
| Notes |
|
| Year / Make / Model | 1968-1969 Chevrolet C20 Pickup |
|---|---|
| Qualifier | without Catalytic Converter |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 396 |
| Notes |
|
| Year / Make / Model | 1970-1972 Chevrolet C20 Pickup |
|---|---|
| Qualifier | without Catalytic Converter |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 402 |
| Notes |
|
| Year / Make / Model | 1973-1974 Chevrolet C20 Pickup |
|---|---|
| Qualifier | without Catalytic Converter |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 454 |
| Notes |
|
| Year / Make / Model | 1970-1972 Chevrolet Kingswood |
|---|---|
| Qualifier | without Air Conditioning |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 402, 454 |
| Notes |
|
| Year / Make / Model | 1965-1970 Chevrolet Chevelle |
|---|---|
| Qualifier | without Air Conditioning |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 396 |
| Notes |
|
| Year / Make / Model | 1970-1973 Chevrolet Chevelle |
|---|---|
| Qualifier | without Air Conditioning |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 454 |
| Notes |
|
| Year / Make / Model | 1970-1972 Chevrolet Chevelle |
|---|---|
| Qualifier | without Air Conditioning |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 402 |
| Notes |
|
| Year / Make / Model | 1970-1975 Chevrolet Bel Air |
|---|---|
| Qualifier | without Air Conditioning |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 454 |
| Notes |
|
| Year / Make / Model | 1970-1972 Chevrolet Bel Air |
|---|---|
| Qualifier | without Air Conditioning |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 402 |
| Notes |
|
| Year / Make / Model | 1975-1980 Chevrolet C10 |
|---|---|
| Qualifier | without Catalytic Converter |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 454 |
| Notes |
|
| Year / Make / Model | 1968-1969 Chevrolet C10 Suburban |
|---|---|
| Qualifier | without Catalytic Converter |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 396 |
| Notes |
|
| Year / Make / Model | 1970-1972 Chevrolet C10 Suburban |
|---|---|
| Qualifier | without Catalytic Converter |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 402 |
| Notes |
|
| Year / Make / Model | 1973-1980 Chevrolet C10 Suburban |
|---|---|
| Qualifier | without Catalytic Converter |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 454 |
| Notes |
|
| Year / Make / Model | 1975-1986 Chevrolet C20 |
|---|---|
| Qualifier | without Catalytic Converter |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 454 |
| Notes |
|
| Year / Make / Model | 1968-1969 Chevrolet C20 Suburban |
|---|---|
| Qualifier | without Catalytic Converter |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 396 |
| Notes |
|
| Year / Make / Model | 1970-1972 Chevrolet C20 Suburban |
|---|---|
| Qualifier | without Catalytic Converter |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 402 |
| Notes |
|
| Year / Make / Model | 1973-1986 Chevrolet C20 Suburban |
|---|---|
| Qualifier | without Catalytic Converter |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 454 |
| Notes |
|
| Year / Make / Model | 1970-1972 Chevrolet Camaro |
|---|---|
| Qualifier | without Air Conditioning |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 402 |
| Notes |
|
| Year / Make / Model | 1970-1976 Chevrolet Caprice |
|---|---|
| Qualifier | without Air Conditioning |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 454 |
| Notes |
|
| Year / Make / Model | 1970-1972 Chevrolet Caprice |
|---|---|
| Qualifier | without Air Conditioning |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 402 |
| Notes |
|
| Year / Make / Model | 1966-1970 Chevrolet El Camino |
|---|---|
| Qualifier | without Air Conditioning |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 396 |
| Notes |
|
| Year / Make / Model | 1970-1973 Chevrolet El Camino |
|---|---|
| Qualifier | without Air Conditioning |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 454 |
| Notes |
|
| Year / Make / Model | 1970-1972 Chevrolet El Camino |
|---|---|
| Qualifier | without Air Conditioning |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 402 |
| Notes |
|
| Year / Make / Model | 1970-1976 Chevrolet Impala |
|---|---|
| Qualifier | without Air Conditioning |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 454 |
| Notes |
|
| Year / Make / Model | 1970-1972 Chevrolet Impala |
|---|---|
| Qualifier | without Air Conditioning |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 402 |
| Notes |
|
| Year / Make / Model | 1965-1967 Chevrolet Malibu |
|---|---|
| Qualifier | without Air Conditioning |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 396 |
| Notes |
|
| Year / Make / Model | 1973-1975 Chevrolet Malibu |
|---|---|
| Qualifier | without Air Conditioning |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 454 |
| Notes |
|
| Year / Make / Model | 1970-1975 Chevrolet Monte Carlo |
|---|---|
| Qualifier | without Air Conditioning |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 454 |
| Notes |
|
| Year / Make / Model | 1970-1972 Chevrolet Monte Carlo |
|---|---|
| Qualifier | without Air Conditioning |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 402 |
| Notes |
|
| Year / Make / Model | 1968-1969 GMC C15/C1500 Pickup |
|---|---|
| Qualifier | without Catalytic Converter |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 396 |
| Notes |
|
| Year / Make / Model | 1970-1972 GMC C15/C1500 Pickup |
|---|---|
| Qualifier | without Catalytic Converter |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 402 |
| Notes |
|
| Year / Make / Model | 1973-1974 GMC C15/C1500 Pickup |
|---|---|
| Qualifier | without Catalytic Converter |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 454 |
| Notes |
|
| Year / Make / Model | 1968-1969 GMC C15/C1500 Suburban |
|---|---|
| Qualifier | without Catalytic Converter |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 396 |
| Notes |
|
| Year / Make / Model | 1970-1972 GMC C15/C1500 Suburban |
|---|---|
| Qualifier | without Catalytic Converter |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 402 |
| Notes |
|
| Year / Make / Model | 1973-1974 GMC C15/C1500 Suburban |
|---|---|
| Qualifier | without Catalytic Converter |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 454 |
| Notes |
|
| Year / Make / Model | 1968-1969 GMC C25/C2500 Pickup |
|---|---|
| Qualifier | without Catalytic Converter |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 396 |
| Notes |
|
| Year / Make / Model | 1970-1972 GMC C25/C2500 Pickup |
|---|---|
| Qualifier | without Catalytic Converter |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 402 |
| Notes |
|
| Year / Make / Model | 1973-1974 GMC C25/C2500 Pickup |
|---|---|
| Qualifier | without Catalytic Converter |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 454 |
| Notes |
|
| Year / Make / Model | 1968-1969 GMC C25/C2500 Suburban |
|---|---|
| Qualifier | without Catalytic Converter |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 396 |
| Notes |
|
| Year / Make / Model | 1970-1972 GMC C25/C2500 Suburban |
|---|---|
| Qualifier | without Catalytic Converter |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 402 |
| Notes |
|
| Year / Make / Model | 1973-1974 GMC C25/C2500 Suburban |
|---|---|
| Qualifier | without Catalytic Converter |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 454 |
| Notes |
|
| Year / Make / Model | 1975-1978 GMC C15 |
|---|---|
| Qualifier | without Catalytic Converter |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 454 |
| Notes |
|
| Year / Make / Model | 1975-1978 GMC C15 Suburban |
|---|---|
| Qualifier | without Catalytic Converter |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 454 |
| Notes |
|
| Year / Make / Model | 1975-1978 GMC C25 |
|---|---|
| Qualifier | without Catalytic Converter |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 454 |
| Notes |
|
| Year / Make / Model | 1975-1978 GMC C25 Suburban |
|---|---|
| Qualifier | without Catalytic Converter |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 454 |
| Notes |
|
| Year / Make / Model | 1971-1975 GMC Sprint |
|---|---|
| Qualifier | without Catalytic Converter |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 454 |
| Notes |
|
| Year / Make / Model | 1971-1972 GMC Sprint |
|---|---|
| Qualifier | without Catalytic Converter |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 402 |
| Notes |
|
| Year / Make / Model | 1974-1975 GMC Sprint |
|---|---|
| Qualifier | without Catalytic Converter |
| Engine Type | V8 |
| Engine Size(s) | Cubic Inches: 402 |
| Notes |
|
| Year / Make / Model | 1967-1981 Pontiac Firebird |
|---|---|
| Qualifier | without Air Conditioning |
| Engine Type | V8 |
| Notes |
|
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