Doug's Headers D1104Y-R Tri-Y Header, 1-5/8 Inch, 1972-81 Jeep, Raw
304 AMC V8
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Doug's 2/4WD TRUCK HEADERS Raw SteelHeader development and design is complex and requires a substantial amount of time and resources to do the job right! Many manufacturers are unwilling to make the commitment and instead offer compromised headers at lower prices. Doug's will not compromise performance, quality or fit to compete with inferior designs at cheap prices. Every Doug's header is tuned with the proper tube size and length to efficiently remove all the exhaust from each cylinder, reducing pumping losses resulting in a dramatic increases in horsepower and torque. Doug's headers are carefully developed on the vehicles they are intended to fit and are re-checked numerous times during the design and manufacturing process.
- 3/8" Thick machined flanges...no warping
- CNC mandrel bent tubes... accurate fit & better flow
- Tri-Y headers yield maximum power from off idle to 4500 RPM making them well suited for applications demanding maximum mid-range torque with maximum fuel economy
- Heavy 16 gauge tubing...longer life
- Tubes are pre-polished to remove scratches and the header is left unfinished (raw steel) for individual customizing
Application1972-1981 Jeep CJ5 5L/304 V8
1972-1974 Jeep CJ6 5L/304 V8
1976-1981 Jeep CJ7 5L/304 V8
- Doug's Headers D1104Y-R 1 5/8" Tri-Y Header AMC Jeep V8 72-81 Raw Steel
- Tri-Y Design - Raw Steel
- Collector: 2 1/2
- Port Shape: SAP
- Primary Tube: 1 5/8 - 2
- Dog leg exhaust port
- legal for off-highway use (exc. in Calif. or states using Calif. emission standards)
- with A/C
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Q & A
Maintaining your headers is an important part of any hot rod. Pat gives some tips and demonstrates how well Purple Metal Polish works for keeping your headers looking great.
Wouldn't it be nice to get the best of both worlds out of your headers? Speedway Motors has solved that problem with our exclusive heat resistant Armor Hot Coating. Now you can keep that great look with longer life.
Our Tru-Ram Exhaust Manifolds are one of our most popular items. Tim provides more details about them and gives you a great look at them.
Tim gives a little bit of history on the Ford Y Block and shows some of the parts we have to offer.