Best of GarageCam: Royal Purple 300
CamGuy Matthew Dillner takes you on a behind the scenes look of the Nationwide Series garage at Auto Club Speedway.
Post-Race Reactions: Royal Purple 300
The top-five drivers react to an exciting race at Auto Club Speedway.
Ty Dillon, Erik Jones top Friday practices at Charlotte
PRACTICE 2: Results Richard Childress Racing 's Ty Dillon topped the board in the XFINITY Series' final practice at Charlotte Motor Speedway . Sitting behind the wheel of his No. 3 Chevrolet, Dillon laid down a field-fast lap of 181.342 mph. Landing in the runner-up spot was Joe Gibbs Racing 's Daniel Suarez in the No. 19 Toyota (181.056 mph) with his teammate Erik Jones -- who topped opening practice -- right behind him to take third in the No. 20 (180.379 mph). Defending race winner Austin Dillon , who is pulling double duty this weekend, was fourth-quickest on the speed charts at 180.210 mph. Rounding out the top five was the No. 48 Chevrolet of Brennan Poole , who wheeled his Chip Ganassi Racing entry around CMS at 179.958 mph. Next on the agenda for the XFINITY Series is Saturday's Coors Light Pole Qualifying (11:15 a.m. ET, FS1) for the Hisense 4K TV 300 (2:30 p.m. ET, FS1). PRACTICE 1: Results Two-time 2016 XFINITY Series winner Erik Jones scored the fastest lap during the series' opening practice at Charlotte Motor Speedway . The No. 20 Joe Gibbs Racing wheelman topped the leaderboard at 181.159 mph. Next on the speed charts was fellow JGR driver -- and Sprint Cup Series regular -- Denny Hamlin , driving the No. 18 Toyota at 180.584 mph. This weekend marks the first XFINITY Series start of the season for the Daytona 500 winner. Fellow Sprint Cup regular Ryan Blaney was third-quickest after propelling his No. 12 Team Penske Ford around the 1.5-mile track at 179.874 mph. Daniel Suarez 's No. 19 JGR entry (179.826 mph) and the No. 3 of Richard Childress Racing 's Ty Dillon (179.468 mph) were fourth and fifth, respectively. Defending race winner Austin Dillon was right behind his brother in sixth (179.378 mph).
Mobil 1 Driver Of The Race: Fontana
Kyle Busch sweeps the Fontana weekend winning the Royal Purple 300 and Auto Club 400 making him the Mobil 1 Driver of the Race at Auto Club Speedway.
Victory Lane: Kyle Busch
Kyle Busch celebrates in Victory Lane after leading the majority of the race at the Royal Purple 300 .
Final Laps: Kyle Busch Wins, Again!
Kyle Busch wins the Royal Purple 300 at Auto Club Speedway one week after winning at Bristol.
Press Pass: Regan Smith
Regan Smith talks about finishing third at the Royal Purple 300 .
Harraka suffers from flames under car
Paulie Harraka's car goes up in flames causing the second caution at the Royal Purple 300 .
Final Laps: Kyle Busch wins a spectacular finish
Kyle Busch wins at Fontana for weekend sweep after winning the Royal Purple 300 and the Auto Club 400.
Small incidents in first half of Nationwide race
Single car spins and tire issues plague drivers in the first half of the Royal Purple 300 .