Swap Headers, Ford Windsor with “Z” and other Similar Performance Heads with Dual Mounting pattern
(2 & 3 inch) for Early Mustang

Ultimate Headers’ Swap Headers are designed to make installing a later generation engine into an earlier vehicle (for example, an LS-series engine in a Gen 1 Camaro) a much easier job… with great eye-appeal!

Cast Stainless Steel flanges and the tight radius cast Stainless Steel elbows lets you put large tubes in tight places! The strength of 321 Stainless Steel tubes delivers a stronger, more durable header that is lighter than comparable header designs.

Plus, you get a complete package – headers, ARP 12-point Stainless Steel header bolts, a pair of matching Cometic HTS header and HTS Collector Gaskets (if applicable).

Swap Headers
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  • Patented design (U.S. Patent US D700,554 S)
  • Includes premium corrosion and heat-resistant ARP (Automotive Racing Products) 12-point, 300 grade stainless steel bolts and washers
  • Jig fixture, TIG welded for precise quality control
  • Easy to install
  • Large (1-7/8”) header tubes made of 321 Stainless Steel
  • Rear dump design positions the tubes away from  steering shafts and frame rails
  • Header tubes are mounted high and tight, makes a very compact, space efficient package
  • Eye catching flanges add dramatic improvement to the engine compartment
  • Package includes everything needed for the installation — headers, ARP 12-point Stainless Steel bolts & washers and Cometic UltraSeal™ gaskets

Click on image to enlarge

Ford Windsor Swap Header Dimensions


  • Ford Windsor with “Z” and other similar performance heads with the dual mounting patters (2 & 3 inch)
Part Number Tube Diameter Tube Gauge Finish List Price
401021 1-7/8″ 18 gauge Mill $1,249.00
401022 1-7/8″ 18 gauge Satin $1,579.00
401023 1-7/8″ 18 gauge Mirror Polish $1,889.00
401024 1-7/8″ 18 gauge Ceramic Coated Silver $1,649.00
401025 1-7/8″ 18 gauge Ceramic Black Coated $1,649.00
As cast flange/mill finish on tubing Satin flange/satin finish on tubing Mirror flange/mirror finish on tubing Mirror flange/silver ceramic on tubing Mirror flange/black ceramic on tubing
As cast flange/
mill finish on tubing
Mirror flange/
satin finish on tubing
Mirror flange/
mirror finish on tubing
Mirror flange/
silver ceramic on tubing
Mirror flange/
black ceramic on tubing

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