Long Tube Headers for 67-74 GM A F G Body BBC 396-502 BBC 2in Primary D322
Long Tube Headers for 67-74 GM A F G Body BBC 396-502 BBC 2in Primary D322 is backordered and will ship as soon as it is back in stock.
Couldn't load pickup availability
Fitment
Fitment
Warranty Information
Warranty Information
Customer service is our top priority and because we value your time and energy we ask you to visit our Contact Us page and reach out so that we may assist you in finding the correct warranty for your product. Please include your name, the name on the order, the order number, and the SKU of the product to ensure the quickest and most accurate response to your inquiry.
Description
Description
Overview:
67-74 GM A, F, G Body BBC Long Tube Slvr
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.
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
Specs:
- Brand: Doug's Headers
- Collector Attachment: 3-Bolt Flange
- Collector Diameter: 3.5 IN
- Collector Port Diameter: 3.5 IN
- Color: Silver
- Cylinder Head Port Shape: SAP
- Design: Full-length
- EGT Port: No
- 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: Round
- Primary Tube Outside Diameter: 2.0 IN
- Primary Tubing Diameter: 2.0 IN
- Prop 65 (C, R or CR): CR
- Prop 65 Yes/No: Yes
- Sheen Level: Semi-Gloss
- Title: Doug's Long Tube Header 67-74 GM A, F, G Body BBC 396-502 BBC 2" Primary 3 1/2" Collector Silver Ceramic Coated D322
- Tube Wall Thickness: 16 GU
- Part Number: D322
Applications:
- 1970-1972 Chevrolet Biscayne 402 CID
- 1970-1972 Chevrolet Biscayne 454 CID
- 1970-1972 Chevrolet Brookwood 402 CID
- 1970-1972 Chevrolet Brookwood 454 CID
- 1968-1969 Chevrolet C10 Pickup 396 CID
- 1970-1972 Chevrolet C10 Pickup 402 CID
- 1973-1974 Chevrolet C10 Pickup 454 CID
- 1968-1969 Chevrolet C20 Pickup 396 CID
- 1970-1972 Chevrolet C20 Pickup 402 CID
- 1973-1974 Chevrolet C20 Pickup 454 CID
- 1970-1972 Chevrolet Kingswood 402 CID
- 1970-1972 Chevrolet Kingswood 454 CID
- 1965-1970 Chevrolet Chevelle 396 CID
- 1970-1973 Chevrolet Chevelle 454 CID
- 1970-1972 Chevrolet Chevelle 402 CID
- 1970-1975 Chevrolet Bel Air 454 CID
- 1970-1972 Chevrolet Bel Air 402 CID
- 1975-1980 Chevrolet C10 454 CID
- 1968-1969 Chevrolet C10 Suburban 396 CID
- 1970-1972 Chevrolet C10 Suburban 402 CID
- 1973-1980 Chevrolet C10 Suburban 454 CID
- 1975-1986 Chevrolet C20 454 CID
- 1968-1969 Chevrolet C20 Suburban 396 CID
- 1970-1972 Chevrolet C20 Suburban 402 CID
- 1973-1986 Chevrolet C20 Suburban 454 CID
- 1970-1972 Chevrolet Camaro 402 CID
- 1970-1976 Chevrolet Caprice 454 CID
- 1970-1972 Chevrolet Caprice 402 CID
- 1966-1970 Chevrolet El Camino 396 CID
- 1970-1973 Chevrolet El Camino 454 CID
- 1970-1972 Chevrolet El Camino 402 CID
- 1970-1976 Chevrolet Impala 454 CID
- 1970-1972 Chevrolet Impala 402 CID
- 1965-1967 Chevrolet Malibu 396 CID
- 1973-1975 Chevrolet Malibu 454 CID
- 1970-1975 Chevrolet Monte Carlo 454 CID
- 1970-1972 Chevrolet Monte Carlo 402 CID
- 1968-1969 GMC C15/C1500 Pickup 396 CID
- 1970-1972 GMC C15/C1500 Pickup 402 CID
- 1973-1974 GMC C15/C1500 Pickup 454 CID
- 1968-1969 GMC C15/C1500 Suburban 396 CID
- 1970-1972 GMC C15/C1500 Suburban 402 CID
- 1973-1974 GMC C15/C1500 Suburban 454 CID
- 1968-1969 GMC C25/C2500 Pickup 396 CID
- 1970-1972 GMC C25/C2500 Pickup 402 CID
- 1973-1974 GMC C25/C2500 Pickup 454 CID
- 1968-1969 GMC C25/C2500 Suburban 396 CID
- 1970-1972 GMC C25/C2500 Suburban 402 CID
- 1973-1974 GMC C25/C2500 Suburban 454 CID
- 1975-1978 GMC C15 454 CID
- 1975-1978 GMC C15 Suburban 454 CID
- 1975-1978 GMC C25 454 CID
- 1975-1978 GMC C25 Suburban 454 CID
- 1971-1975 GMC Sprint 454 CID
- 1971-1975 GMC Sprint 402 CID
Emissions:
- 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.
Instructions:
Fitment Notes:
- Big block frame stands and motor mounts required for proper fit.
- Does not fit with power glide transmission.
- without Air Conditioning and without Catalytic Converter
- Will work with 4L60E and 4L80E transmissions.
- Fits 67-81 Firebird with Big Block Chevrolet Swap 396-502, Will not fit with Factory Saginaw 800 power steering box, Not recommended for Gen-6 502cid engines with aluminum heads, Fits with manual and auto trans floor shifts only, Big block frame stands and motor mounts required for proper fit.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
