Help is just a click away!
Click here to chat with a Speedway Team Member
💬
Online - Chat with us!
Chat
Products to Compare (max of 3)
X
Compare These Parts
Talk to the Experts. Call 800.979.0122, 7am-10pm, everyday.
Customer Service
Since 1952
in
in
  • Expert Tech Support
  • Huge Inventory
  • Fast Shipping
Talk to the Experts. Call 800.979.0122
Shop By
Support
Account
Street Race Truck More... The Toolbox
Add to Cart
$735.62
$491.99
Doug's Headers D668-B Full Length Header, 1-5/8 In, 64-73 Mustang, Blk
Doug's Headers D668-B Full Length Header, 1-5/8 In, 64-73 Mustang, Blk

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

260 Ford Small Block V8, 289 Ford Small Block V8, 302 Ford Small Block V8, Hi-Temp Black, Steel

0 Reviews | 0 Answered Questions
Factory Shipped
Ships FREE
Select your vehicle to verify fitment.
Select Vehicle
Doug's Headers D668-B Full Length Header, 1-5/8 In, 64-73 Mustang, Blk
Doug's Headers D668-B Full Length Header, 1-5/8 In, 64-73 Mustang, Blk
Zoomed In Image
We estimate this item will ship on or before October 23rd.
Part # 447D668B
Save 33%
$491.99
$735.62
set
Quantity:
Add to Cart
Call to Order
Add to Buildlist
Compare

Details
Reviews
Q&A
Videos & Articles

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.

Details

Header Tube Type:
Full-length
Finish:
Hi-Temp Black
Flange Style:
Standard
Primary Tube Diameter:
1-5/8"
Material Type:
Steel
Color:
Black
MFG. Part #:
D668-B
Collector Diameter:
2-1/2 Inch
Hardware Included:
Yes
Gasket(s) Included:
Yes
Sold in Quantity:
Pair
GTIN Code:
694342543600

Info

  • 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 Hi-Temp Black Coating

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-B 1 5/8" 4-Tube Full Length Header Ford Mustang Small Block Ford 64-73 Hi-Temp Black Coating
  • Black
  • 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
  • Use power steering bracket H7609
  • w/o air injection 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

More Like This

Reviews

Q & A

Videos
  • 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.
  • Pat shows that exhaust can make a difference on even your daily driver. Check out this video of Pat with the Hooker Muffler installed on his '03 Suburban.
  • 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.

You May Also Like

Suggestions
Error
Note
Ok