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Doug's Headers D661Y-B Tri-Y Header, 1-5/8 In, 60-70 Ford, Blk
Doug's Headers D661Y-B Tri-Y Header, 1-5/8 In, 60-70 Ford, Blk

Doug's Headers D661Y-B Tri-Y Header, 1-5/8 In, 60-70 Ford, Blk

260 Ford Small Block V8, 289 Ford Small Block V8

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Doug's Headers D661Y-B Tri-Y Header, 1-5/8 In, 60-70 Ford, Blk
Doug's Headers D661Y-B Tri-Y Header, 1-5/8 In, 60-70 Ford, Blk
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We estimate this item will ship on or before May 25th.
Part # 447D661YB
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  • This item ships directly from the manufacturer. It may take an additional 2 business days for Dougs Headers to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.


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Doug's PASSENGER CAR HEADERS Tri-Y Hi-Temp Black Coated Header 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 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 isfinished with a Hi-Temp Black Coating


1962-1965 Ford Falcon 4.3L/260 V8
1965 Ford Mustang 4.3L/260 V8
1964-1968 Ford Mustang 4.7L/289 V8
1969-1970 Ford Mustang 5L/302 V8
1962-1964 Ford Ranchero 4.3L/260 V8
1965 Ford Ranchero 4.7L/289 V8
1962-1965 Mercury Comet 4.3L/260 V8


  • Doug's Headers D661Y-B 1 5/8" Tri-Y Header Ford 64 1/2-70 Mustang, 67-68 Cougar, 62-65 Ranchero, 60-65 Falcon and Comet Small Block Ford with TCI and similar Mustang II front suspension rack conversions Hi-Temp Black Coating
  • Tri-Y Design - Black
  • Fits TCI
  • Heidt's
  • or similar Mustang II style front suspension conversion
  • Fits with Modern Driveline T5 cable clutches and AOD transmissions
  • With Floor Shifter
  • with A/C
Some parts are not legal for use in California or other states with similar laws/regulations

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