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
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$1,035.50 USD
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$1,035.50 USD
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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
Policies and FAQs
Return Policy
We accept returns on products within 30 days of delivery. Return shipping is the responsibility of the buyer unless we, the seller, are at fault.
Fault reasons include but are not limited to:
Fault reasons include but are not limited to:
- Buyer was shipped the wrong product
- Buyer was shipped a damaged product
- The product page had incorrect fitment and the part does not fit the Buyer's vehicle
The Buyer will not be refunded outbound shipping unless the Seller (Car Part People) is at fault.
In cases where the Buyer purchases and ships the return please note that if the Shipper (ex. USPS, FedEx, UPS, etc.) loses the return we will not be able to offer a refund as the Buyer must contact the Shipper and make a claim.
All products must be returned in original condition, meaning that the product must not be damaged, installed, or missing pieces/parts. If the product is not in original condition a deduction will be issued of up to 50% of the purchase price of the product.
Opened boxes, plastic bags, and other packaging are not considered damage (excluding single use items such as, but not limited to, liquids, software, and other components that cannot be reused/resealed).
When we, the seller, are at fault, please Contact Us for a return label, products returned with a shipping label not provided by the seller will not be refunded to the buyer. Please also note that our return labels are issued with the dimensions and weight of the original shipment, if the product is being returned in any box/package besides the original please contact us with the dimensions and weight.
Returns must be sent to this address:
Car Part People
218 S Lyman St.
Wadsworth, OH 44281
Products returned directly to a manufacturer or the incorrect address may be issued a deduction or denied a refund entirely.
If a product was delivered outside the 30 day return window or is no longer in original condition please contact us as we may be able to issue a refund in store credit and/or with a deduction. If this is the case please Contact Us as these situations are handled on a case by case basis.
If there are any questions, concerns, or doubts about return eligibility please Contact Us and we would be more than happy to assist you.
This policy and page were last updated: July 14th 2023
FAQs
|Q. What is an Intermediate Brake Line?
|A. This is the line that runs from the front of the vehicle to the rear. On most vehicles it connects to a junction then you will have rear axle lines. On a few cars the intermediate lines will connect to the rear wheels. It is recommended to change the axle lines if you are replacing the intermediate lines.
|Q. What is included in a pre bent brake line kit?
|A. Our kits include all of the solid metal lines for that section of the vehicle
|Q. I need to return something - what's your return policy?
|A. We are happy to help! Please help us to help you by going to our return form and filling out the form as best as you can in order to request a return.
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Modern Day stands by our parts and is happy to accept returns within 30 days of purchase. Parts must be in new condition.
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If a part arrives damaged, or is defective, Please report it to us immediately. So we can handle it for your promptly.