Jeff Kirkendall

Lead Engineer, No. 07 SS GreenLight Racing with Jeff Lefcourt Ford Mustang


­­­Jeff Kirkendall hails from Onsted, Michigan located six miles south of the Michigan International Speedway.

He grew up on the quarter mile at Milan Dragway and on the dirt at Butler Speedway.

His career began in engine design and building in Top Fuel drag racing and Indy Cars.

A veteran of two Indianapolis 500’s, he joined NASCAR in 1997 with Dodge Motorsports.  He moved to North Carolina with Roush Racing in 2005 and has worked with several top teams and top manufacturers over the last 17 years.

In 2022, he joined SS GreenLight Racing with Jeff Lefcourt alongside crew chief Joe Williams to guide driver Joe Graf Jr. as the team’s car chief and lead engineer.

“Working with SS GreenLight Racing with Jeff Lefcourt, Ford Performance and Stewart-Haas Racing is a new challenge that I am enjoying.”

Jeff Kirkendall, NASCAR Car Chief with SS GreenLight Racing with Jeff Lefcourt for the No. 07 Ford Mustang of Joe Graf Jr.