Pennzoil 400 (Las Vegas)

The Pennzoil 400 presented by Jiffy Lube is an annual NASCAR Cup Series stock car race held at Las Vegas Motor Speedway in Las Vegas, Nevada. It is the first of two races at Las Vegas with the other one being the South Point 400 in the playoffs. The inaugural race was held in 1998. For several years, the race was sponsored by and. From its inception, the race was run at a distance of 400 mi except 2009, which was 427 miles. The extra 27 miles in the 2009 race were added by the sponsors.

Unique to NASCAR, the winner is awarded a (similar to the one awarded in  fights) rather than a cup or trophy, The race was also part of the No Bull 5 challenge from 1999 to 2002.

Race history
The inaugural race was held in 1998. For many years, the race was sponsored by and. It bears chronologically the name of Las Vegas 400 (in 1998 and 1999) and CarsDirect.com 400 (in 2000).

From 2001 to 2008, the race received sole sponsorship from the Chrysler company, then called DaimlerChrysler AG. It was renamed from 2001 to 2007 the UAW-DaimlerChrysler 400. After the acquisition of Daimler by the company Cerberus Capital Management, the race was renamed in 2008 the UAW-Dodge 400.

The company took over the sponsorship in 2009 and in 2010 the race was renamed the Shelby 427 Cobra respectively (the race was lengthened by 27 mi and the Shelby American.

The company through its subsidiary Kobalt Tools, becomes the sponsor in 2011 changing the name of the event to Kobalt Tools 400 (from 2011 to 2013) and in Kobalt 400 (from 2014 to 2017). This company was the name sponsor of the spring race that took place at Atlanta Motor Speedway, the Quaker State 400.

From the 2018 season, the new sponsor is.