Please be advised that Speed Engineering is currently experiencing shortages for the following parts: All True Dual Exhaust systems, LS Mid-Length Universal Headers and the 2014-2019 Y-Pipes. We have been experiencing difficulties with our shipping carriers, if you are unable to check out, please contact us directly @ 403 795-4219 and we will be happy to assist you.

Circle D Converters

8 products
  • 4L60 LS HP Series BT Single 300MM
    Circle D Specialites
    $1,625.00
    $1,625.00
    Sold out
  • 4L60 LS Pro Series Single 265MM
    Circle D Specialites
    $1,625.00
    $1,625.00
    Sold out
  • 4L60 LS Pro Series Single 245MM
    Circle D Specialites
    $1,625.00
    $1,625.00
    Sold out
  • 4L80 Pro Series Single 245MM
    Circle D Specialites
    $1,625.00
    $1,625.00
    Sold out
  • 4L80 Pro Series Single 258MM
    Circle D Specialites
    $1,625.00
    $1,625.00
    Sold out
  • 4L80 Pro Series Single 258MM Small Cube PD Blower
    Circle D Specialties
    $1,625.00
    $1,625.00
    Sold out
  • 6L80 Pro Series Single 245MM
    Circle D Specialites
    $1,985.00
    $1,985.00
    Sold out
  • 6L80 Pro Series Single 258MM PD Blower ZL1
    Circle D Specialites
    $1,985.00
    $1,985.00
    Sold out