Tri-Y Headers for Olsmobile Motor Home 455 73-78 1-3/4in Primary D755Y-B
Tri-Y Headers for Olsmobile Motor Home 455 73-78 1-3/4in Primary D755Y-B 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:
Header Olds Mtr Hm 455 73-78 Blk
Doug's is the pioneering force behind the popular TRI-Y design for cars and trucks. The unique, shortend, paired primary tubes increase mid-range torque without sacrificing top end power. TRI-Y's are a great choice for daily drivers and heavy duty trucks looking to increase power from idle up to 4500 RPM while maintaining maximum fuel efficiency.
Features:
- 3/8" thick machined flanges to prevent warping
- CNC mandrel bent tubes ensure accurate fit and better flow
- Heavy 16-guage tubing for longer 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 Dome Seal
- Collector Diameter: 2.5 IN
- Collector Port Diameter: 2.5 IN
- Color: Black
- Cylinder Head Port Shape: SAP
- Design: Full-length
- EGT Port: No
- Finish: Hi-Temp Black Coating
- 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: Yes
- 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: Matte
- Title: Doug's Headers D755Y-B 1 3/4" Tri-Y Header Olsmobile Motor Home 455 73-78 Hi-Temp Black Coating
- Tube Wall Thickness: 16 GU
- Part Number: D755Y-B
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:
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