Shifter Knob Thread Sizes

Shift Knob Thread Specs


 Find Your Shifter Thread Size By Shifter or Vehicle


Performance Aftermarket Shifters
Barton - GT500 Shifter™: 10mm x 1.25
Barton - Mustang Shifter 2011BM-1™: 12mm x 1.25
Ford Racing Short Shifter™ for '05 to '09 GT: 3/8 - 16
Ford Racing Short Shifter™ for '07 to '09 GT500: 3/8 – 16
Hurst Short Throw Shifter  for 07-09 Shelby GT & GT500  * This shifter came in 2 sizes.
(12mm X 1.25 OR 3/8 X 16. Remove your knob, take to your local hardware store to verify which one.)
McLeod™: 3/8 – 24
MGW Mustang Short Throw Shifter™: 12mm x 1.25, 12mm x 1.75
MGW Mustang GT350 Shifter™: 10mm x 1.25 Threads must be recessed for reverse lockout
MGW Mustang GT500 Shifter™: 12mm x 1.25, 12mm x 1.75, 10mm x 1.25
Roush Mustang Short Throw™: 12mm x 1.25
Shelby American™ - Generation 1 (up to 2011): 12mm x 1.75
Shelby American™ - Generation 2 (introduced in 2011): 12mm x 1.25
Steeda™ Tri-Ax '01 to '04: 12mm x 1.75
Steeda™ '05 to '10: 12mm x 1.75
Steeda™ '11 to '14: 12mm x 1.25

Domestic Vehicles
Ford GT™ - manual 2005: 12mm x 1.75
Ford Mustang™ - manual 1964 to 1969: 1/2 - 20
Ford Mustang™ - manual 1979 to 2004: 12mm x 1.75
Ford Mustang™ - manual 2005 to 2014: 12mm x 1.25
Ford Mustang™ - manual 2015 and newer: 12mm x 1.25 Recessed for Reverse Lockout
Ford Mustang GT350™ - manual 2015 and newer: 10mm x 1.25 Recessed for Reverse Lockout
Ford Mustang Shelby™ - manual 2007 to 2009 (factory installed): 12mm x 1.25
Ford Mustang Shelby™ - manual 2010 to 2014 (factory installed): 10mm x 1.25
Ford Mustang Shelby KR™ - manual 2008: 12mm x 1.75
Ford Mustang Shelby Super Snake™ - manual 2007: 12mm x 1.75

(Note: For Shelby American shifters see the Performance Aftermarket Shifters section listed above)
The information provided on this page is to be used as a general guide. Thread sizes may vary depending on make and model of vehicle.
Please measure the threads on your shifter prior to ordering. If you have any questions please call Speed Dawg toll free at 866-906-7801 or 717-741-2665.