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Doug's Headers D660YS Tri-Y Header, 1-5/8 In, 60-65 Falcon, CC
Doug's Headers D660YS Tri-Y Header, 1-5/8 In, 60-65 Falcon, CC

Doug's Headers D660YS Tri-Y Header, 1-5/8 In, 60-65 Falcon, CC

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Doug's Headers D660YS Tri-Y Header, 1-5/8 In, 60-65 Falcon, CC
Doug's Headers D660YS Tri-Y Header, 1-5/8 In, 60-65 Falcon, CC
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We estimate this item will ship on or before March 26th.
Part # 447D660YS
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Important Messages:

  • 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 Metallic Ceramic 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 Metallic Ceramic Thermal Barrier Coating polished to a high luster appearance offering corrosion and heat resistance up to 1400 degrees

Installation Instructions (PDF)


1962-1965 Ford Falcon 4.3L/260 V8
1964-1965 Ford Falcon 4.7L/289 V8
1962-1964 Ford Ranchero 4.3L/260 V8
1965 Ford Ranchero 4.7L/289 V8
1962-1965 Mercury Comet 4.3L/260 V8
1964-1965 Mercury Comet 4.7L/289 V8


  • Doug's Headers D660YS 1 5/8" Tri-Y Header Ford Falcon Small Block Ford 60-65 Metallic Ceramic Coating
  • Tri-Y Design - Ceramic Coated
  • Collector: 2 1/2
  • Port Shape: SAP
  • Primary Tube: 1 5/8 - 2
  • legal for off-highway use (exc. in Calif. or states using Calif. emission standards)
  • without air injection cylinder heads
  • Will not fit new cast iron Ford Dart engine blocks
  • with A/C
Some parts are not legal for use in California or other states with similar laws/regulations

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