Long Tube Headers for 73-91 GM Truck 265-400 SBC 2WD 1-5/8in Primary D310
Long Tube Headers for 73-91 GM Truck 265-400 SBC 2WD 1-5/8in Primary D310 is backordered and will ship as soon as it is back in stock.
Couldn't load pickup availability
Fitment
Fitment
Warranty Information
Warranty Information
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Description
Description
Overview:
73-91 GM Truck SBC Long Tube Silver Ctd
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: 3.0 IN
- Collector Port Diameter: 3.0 IN
- Color: Silver
- Cylinder Head Port Shape: Oval
- 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: Oval
- Primary Tube Outside Diameter: 1.625 IN
- Primary Tubing Diameter: 1.625 IN
- Prop 65 (C, R or CR): CR
- Prop 65 Yes/No: Yes
- Sheen Level: Semi-Gloss
- Title: Doug's Long Tube Header 73-91 GM Truck 265-400 SBC 2WD 1 5/8" Primary 3" Collector Silver Ceramic Coated D310
- Tube Wall Thickness: 16 GU
- Part Number: D310
Applications:
- 1973-1974 Chevrolet C10 Pickup 350 CID
- 1973-1973 Chevrolet C10 Pickup 307 CID
- 1973-1991 Chevrolet Blazer 350 CID
- 1973-1973 Chevrolet Blazer 307 CID
- 1987-1987 Chevrolet Blazer 305 CID
- 1975-1986 Chevrolet K5 Blazer 350 CID
- 1975-1979 Chevrolet K5 Blazer 400 CID
- 1977-1986 Chevrolet K5 Blazer 305 CID
- 1975-1986 Chevrolet C10 350 CID
- 1976-1980 Chevrolet C10 400 CID
- 1977-1986 Chevrolet C10 305 CID
- 1973-1973 Chevrolet C10 Suburban 307 CID
- 1975-1986 Chevrolet C10 Suburban 350 CID
- 1977-1986 Chevrolet C10 Suburban 305 CID
- 1975-1987 Chevrolet C20 350 CID
- 1976-1980 Chevrolet C20 400 CID
- 1977-1986 Chevrolet C20 305 CID
- 1973-1973 Chevrolet C20 Suburban 307 CID
- 1975-1986 Chevrolet C20 Suburban 350 CID
- 1976-1980 Chevrolet C20 Suburban 400 CID
- 1977-1986 Chevrolet C20 Suburban 305 CID
- 1973-1973 Chevrolet K10 Suburban 307 CID
- 1973-1973 Chevrolet K20 Suburban 307 CID
- 1987-1988 Chevrolet R10 Suburban 350 CID
- 1987-1987 Chevrolet R10 Suburban 305 CID
- 1989-1991 Chevrolet R1500 Suburban 350 CID
- 1987-1988 Chevrolet R20 Suburban 350 CID
- 1989-1991 Chevrolet R2500 Suburban 350 CID
- 1973-1973 GMC C15/C1500 Pickup 307 CID
- 1973-1974 GMC C15/C1500 Suburban 307 CID
- 1973-1974 GMC C25/C2500 Pickup 307 CID
- 1973-1974 GMC C25/C2500 Suburban 307 CID
- 1973-1973 GMC K15/K1500 Suburban 307 CID
- 1973-1973 GMC K25/K2500 Suburban 307 CID
- 1979-1986 GMC C1500 305 CID
- 1979-1986 GMC C1500 350 CID
- 1979-1980 GMC C1500 400 CID
- 1979-1986 GMC C1500 Suburban 350 CID
- 1979-1986 GMC C1500 Suburban 305 CID
- 1979-1986 GMC C2500 305 CID
- 1979-1986 GMC C2500 350 CID
- 1979-1979 GMC C2500 400 CID
- 1979-1986 GMC C2500 Suburban 350 CID
- 1980-1980 GMC C2500 Suburban 400 CID
- 1982-1986 GMC C2500 Suburban 305 CID
- 1979-1986 GMC C3500 350 CID
- 1979-1979 GMC C3500 400 CID
- 1986-1986 GMC C3500 305 CID
- 1987-1991 GMC R1500 Suburban 350 CID
- 1987-1987 GMC R1500 Suburban 305 CID
- 1987-1989 GMC R2500 350 CID
- 1987-1987 GMC R2500 305 CID
- 1987-1991 GMC R2500 Suburban 350 CID
- 1987-1991 GMC R3500 350 CID
- 1975-1978 GMC C15 Suburban 350 CID
- 1977-1978 GMC C15 Suburban 305 CID
- 1975-1978 GMC C25 Suburban 350 CID
- 1977-1978 GMC C25 Suburban 305 CID
- 1978-1978 GMC C25 Suburban 400 CID
- 1975-1984 GMC Jimmy 350 CID
- 1975-1979 GMC Jimmy 400 CID
- 1977-1984 GMC Jimmy 305 CID
- 1987-1987 GMC R1500 305 CID
- 1987-1987 GMC R1500 350 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:
- Fits most angle plug heads.
- Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 and ZZ6 engines.
- Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
- without Catalytic Converter
Payment & Security
Payment methods
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