Long Tube Headers for 304 Stainless 2in Primary Stainless Steel D322-SS
Long Tube Headers for 304 Stainless 2in Primary Stainless Steel D322-SS is backordered and will ship as soon as it is back in stock.
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Fitment
Fitment
Warranty Information
Warranty Information
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Description
Description
Overview:
67-74 GM A, F, G Body BBC Long Tube 304 Stainless
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:
- 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
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: 304 Stainless Steel
- Flange Thickness: 0.375 IN
- Gasket Or Seal Included: Yes
- Gaskets Included: Yes
- Grade Type: Performance
- Header Material: 304 Stainless Steel
- Header Style: Full-length
- Material: 304 Stainless 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: Satin
- Title: 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
- Tube Wall Thickness: 16 GU
- Part Number: D322-SS
Applications:
- 1970-1972 Chevrolet Biscayne 402 CID
- 1970-1972 Chevrolet Biscayne 454 CID
- 1970-1972 Chevrolet Brookwood 454 CID
- 1970-1972 Chevrolet Brookwood 402 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 454 CID
- 1970-1972 Chevrolet Kingswood 402 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
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