🚨 INSPECTION PENALTIES: The No. 2 (Cindric), No. 10 (T. Dillon), No. 16 (Allmendinger), and No. 24 (Byron) failed pre-race inspection twice. These teams have lost pit selection, and their car chiefs have been ejected for the remainder of the weekend.
Tech Section: Intermediate Configuration & Practice Intel
NASCAR utilizes the unrestricted 750 HP package for this 1.5-mile oval, utilizing full aerodynamic downforce (larger spoiler and full diffuser strakes) to maximize high-speed stability.
Practice Performance: Christopher Bell (#20) topped single-lap speeds at 184.061 MPH.
Denny Hamlin Metrics: Hamlin (#11) recorded the field-best 10-consecutive-lap average at a blistering 180.552 MPH, signaling elite long-run pace for Sunday.
Goodyear Specs (D-5284/D-5290): These tires are engineered to "shed rubber" to dissipate heat. Recommended minimum inflation is 20 PSI (LF) and 50 PSI (RF).
Denny Hamlin Metrics: Hamlin (#11) recorded the field-best 10-consecutive-lap average at a blistering 180.552 MPH, signaling elite long-run pace for Sunday.
Goodyear Specs (D-5284/D-5290): These tires are engineered to "shed rubber" to dissipate heat. Recommended minimum inflation is 20 PSI (LF) and 50 PSI (RF).
Safety Mandate: Universal A-post flaps are required; the surface underneath the flap must be painted bright orange for high-visibility inspection.
Starting Grid: Row 1-5 Final Order
| Row | Pos | No. | Driver | Manufacturer | Speed (MPH) |
|---|---|---|---|---|---|
| 1 | 1 | 20 | Christopher Bell | Toyota | 187.156 |
| 1 | 2 | 11 | Denny Hamlin | Toyota | 186.188 |
| 2 | 3 | 54 | Ty Gibbs | Toyota | 185.803 |
| 2 | 4 | 23 | Bubba Wallace | Toyota | 185.771 |
| 3 | 5 | 5 | Kyle Larson | Chevrolet | 185.548 |
| 3 | 6 | 12 | Ryan Blaney | Ford | 185.185 |
| 4 | 7 | 45 | Tyler Reddick | Toyota | 185.134 |
| 4 | 8 | 60 | Ryan Preece | Ford | 184.900 |
| 5 | 9 | 24 | William Byron | Chevrolet | 184.824 |
| 5 | 10 | 17 | Chris Buescher | Ford | 184.647 |
*Toyota swept the top four starting positions for the second consecutive Vegas race.