Long Tube Headers for 65-75 Olds 400-455 Olds 1-3/4in Primary D741-SS
Long Tube Headers for 65-75 Olds 400-455 Olds 1-3/4in Primary D741-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:
65-74 Olds 400-455 Long Tube 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: 3.0 IN
- Collector Port Diameter: 3.0 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: SAP
- Primary Tube Outside Diameter: 1.75 IN
- Primary Tubing Diameter: 1.75 IN
- Prop 65 (C, R or CR): CR
- Prop 65 Yes/No: Yes
- Sheen Level: Satin
- Title: Doug's Long Tube Header 65-75 Olds 400-455 Olds 1 3/4" Primary 3" Collector 304 Stainless D741-SS
- Tube Wall Thickness: 16 GU
- Part Number: D741-SS
Applications:
- 1965-1969 Oldsmobile 442 400 CID
- 1968-1971 Oldsmobile 442 455 CID
- 1965-1968 Oldsmobile Cutlass 400 CID
- 1970-1974 Oldsmobile Cutlass 455 CID
- 1971-1974 Oldsmobile Delta 88 455 CID
- 1968-1969 Oldsmobile Vista Cruiser 400 CID
- 1970-1974 Oldsmobile Vista Cruiser 455 CID
Emissions:
- 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 Manufacturer's Application Guide and lnstallation Instructions.
Instructions:
Fitment Notes:
- Requires removal or modification of locking steering columns if equipped
- 70-74 Cutlass/Vista Cruiser/Delta 88 does not fit Catalytic Converter equipped cars.
Payment & Security
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