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Street Race Truck More... The Toolbox
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$1,001.68
$655.99
Doug's Headers D668 Full Length Header, 1-5/8 In, 64-73 Mustang, CC
Doug's Headers D668 Full Length Header, 1-5/8 In, 64-73 Mustang, CC

Doug's Headers D668 Full Length Header, 1-5/8 In, 64-73 Mustang, CC

260 Ford Small Block V8, 289 Ford Small Block V8, 302 Ford Small Block V8, Steel, Silver

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Doug's Headers D668 Full Length Header, 1-5/8 In, 64-73 Mustang, CC
Doug's Headers D668 Full Length Header, 1-5/8 In, 64-73 Mustang, CC
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We estimate this item will ship on or before July 30th.
Part # 447D668
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$655.99
$1,001.68
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 10 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.

Details

Header Tube Type:
Full-length
Finish:
Metallic Ceramic Coating
Flange Style:
Standard
Primary Tube Diameter:
1-5/8"
Material Type:
Steel
Color:
Silver
MFG. Part #:
D668
Collector Diameter:
2-1/2 Inch
Hardware Included:
Yes
Gasket(s) Included:
Yes
Sold in Quantity:
Pair
GTIN Code:
694342510602

Info

Coated Ford Fairlane (66-74) 260-302 Engine, Mustang (64-73) 260-302 Engine, Ranchero (68-74) 260-302 Engine, Torino (66-70) 260-302 Engine, Mercury Comet (70-74) 260-302 Engine, Cougar (68-70) 260-302 Engine, Maverick (70-74) 260-302 Engine. This part comes standard with Metallic Ceramic Thermal Barrier Coating (MCTBC). MCTBC protects and extends the life of headers by creating a thermal barrier that significantly lowers underhood temperatures and protects the substrate metal from thermal fatigue. It also provide corrosion resistance to protect it for years to come.

Please see our online catalog for specific application information.

Every Dougs 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. Dougs headers are carefully developed on the vehicles they are intended to fit and are re-checked numerous times during the design and manufacturing process.Every Dougs 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. Dougs 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
  • Precision formed long transition collectors and long tube design... reduces backpressure and increases higher RPM horsepower
  • 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)

Application

1966-1968 Ford Fairlane 4.7L/289 V8
1968-1970 Ford Fairlane 5L/302 V8
1964-1965 Ford Mustang 4.3L/260 V8
1964-1968 Ford Mustang 4.7L/289 V8
1968-1973 Ford Mustang 5L/302 V8
1968 Ford Ranchero 4.7L/289 V8
1968-1974 Ford Ranchero 5L/302 V8
1968 Ford Torino 4.7L/289 V8
1968-1970 Ford Torino 5L/302 V8
1966-1968 Mercury Comet 4.7L/289 V8
1968-1974 Mercury Comet 5L/302 V8
1968 Mercury Cougar 4.7L/289 V8
1968-1970 Mercury Cougar 5L/302 V8

Notes

  • Doug's Headers D668 1 5/8" 4-Tube Full Length Header Ford Mustang Small Block Ford 64-73 Metallic Ceramic Coating
  • Ceramic Coated
  • Collector: 2 1/2
  • Port: SAP
  • Primary: 1 5/8
  • exc. states w/Calif. emission stds
  • Requires power steering bracket H7609
  • use C5ZZ16A052E brace if shock mount center to center is less than 33 3/4 in
  • w/o air inj. cyl. heads
  • with A/C
  • For Off-Road Use Only
  • with Floor Shifter
Some parts are not legal for use in California or other states with similar laws/regulations

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