1. Jason Mederic Ratcliff was born on December 8,1967 and is an American NASCAR crew chief, who is employed by Joe Gibbs Racing as the crew chief for their No 54 Toyota Supra in the NASCAR Xfinity Series, driven by Taylor Gray.
17 Facts About Jason Ratcliff
1. 2.
Jason Ratcliff has worked for JGR since 2005 and prior to that was a crew chief for Brewco Motorsports and a pit crew member with LAR Motorsports and Sadler Brothers Racing.
3.
Jason Ratcliff is the 2009 NASCAR Nationwide Series championship-winning crew chief, winning the championship with driver Kyle Busch.
4.
Jason Ratcliff began his career in racing working on mini Sprint Cars in Texas, before he was hired for his first job in NASCAR in 1995, Sadler Brothers Racing, based in Nashville, Tennessee.
5.
Jason Ratcliff worked there for only two years before joining at Columbia, Tennessee-based LAR Motorsports as a chief mechanic for Casey Atwood and Jeff Purvis during the 1997 and 1998 seasons.
6.
Jason Ratcliff moved from LAR to Brewco Motorsports to become the crew chief for rookie Casey Atwood.
7.
In 2005, Jason Ratcliff moved to Joe Gibbs Racing as the crew chief for JJ Yeley.
8.
Jason Ratcliff remained the crew chief for Yeley until 2006.
9.
Jason Ratcliff was able to win five races total during the season, four with Busch and one with Hamlin.
10.
In 2013, Jason Ratcliff served as crew chief for Matt Kenseth, but was suspended for one race after the No 20 engine failed postrace inspection following Kenseth's victory in the STP 400.
11.
LFR closed down at the end of the 2020 season, so in 2021, Jason Ratcliff returned to his former job as crew chief of the No 20 Xfinity Series team for JGR, now driven by Harrison Burton.
12.
On October 27,2023, Jason Ratcliff announced in an interview on SiriusXM NASCAR Radio that he would be retiring as a crew chief after the 2023 season.
13.
Jason Ratcliff crew chiefed the No 19 car for Joe Gibbs Racing in 2023.
14.
Jason Ratcliff spent the majority of his 24-year career in NASCAR with JGR crew chiefing in the Cup and Xfinity Series and became the winningest crew chief in Xfinity Series history.
15.
Jason Ratcliff crew chiefed for Brewco Motorsports in the Xfinity Series early in his career.
16.
On December 2,2024, Jason Ratcliff was announced to be returning to the 54 car, driven by Taylor Gray, for the 2025 season.
17.
Jason Ratcliff moved six times throughout his childhood, starting in Sumter, South Carolina, where he was born, and ending in Westlake, Louisiana, where he graduated from Westlake High School and began his racing career working on mini Sprint Cars.