Austin Dillon and Chevrolet lead Coke 600 practice

The 50-minute session also saw Chevrolets sweep the top four positions in single-car runs and eight of the top-10.

Erik Jones led the session most of the way until Kyle Larson jumped to the top with seven minutes remaining and Dillon grabbed the top spot with an average speed of 180.934 mph with two minutes to go.

Alex Bowman ended up second-fastest (180.807 mph), posting his best speed in the final minutes; Larson was third (180.807 mph); Jones ended up fourth (180.318 mph); and Joey Logano fifth (180.096 mph).

Rounding out the top-10 were Daniel Suarez, Tyler Reddick, Ricky Stenhouse Jr., William Byron and Kyle Busch.

There were no on-track incidents during the session.

Kyle Busch (46) completed the most laps.

Larson posted the fastest average lap speed (179.006 mph) among those drivers that ran at least 10 consecutive laps. Byron and Reddick were second and third, respectively.

Cla	#	Driver		Manufacturer	Laps	Time	Gap	Interval	Mph
1	3	Austin Dillon		Chevrolet	35	29.845			180.935
2	48	Alex Bowman		Chevrolet	25	29.861	0.016	0.016	180.838
3	5	Kyle Larson		Chevrolet	22	29.866	0.021	0.005	180.808
4	43	Erik Jones		Chevrolet	13	29.947	0.102	0.081	180.319
5	22	Joey Logano		Ford	38	29.984	0.139	0.037	180.096
6	99	Daniel Suarez		Chevrolet	36	29.991	0.146	0.007	180.054
7	8	Tyler Reddick		Chevrolet	42	30.002	0.157	0.011	179.988
8	47	Ricky Stenhouse Jr.		Chevrolet	21	30.015	0.170	0.013	179.910
9	24	William Byron		Chevrolet	34	30.053	0.208	0.038	179.683
10	18	Kyle Busch		Toyota	46	30.114	0.269	0.061	179.319
11	11	Denny Hamlin		Toyota	37	30.137	0.292	0.023	179.182
12	9	Chase Elliott		Chevrolet	41	30.153	0.308	0.016	179.087
13	6	Ryan Newman		Ford	40	30.180	0.335	0.027	178.926
14	19	Martin Truex Jr.		Toyota	43	30.203	0.358	0.023	178.790
15	20	Christopher Bell		Toyota	31	30.211	0.366	0.008	178.743
16	21	Matt DiBenedetto		Ford	38	30.223	0.378	0.012	178.672
17	4	Kevin Harvick		Ford	43	30.223	0.378	0.000	178.672
18	23	Bubba Wallace		Toyota	24	30.253	0.408	0.030	178.495
19	12	Ryan Blaney		Ford	33	30.259	0.414	0.006	178.459
20	1	Kurt Busch		Chevrolet	44	30.265	0.420	0.006	178.424
21	41	Cole Custer		Ford	28	30.269	0.424	0.004	178.400
22	2	Brad Keselowski		Ford	41	30.274	0.429	0.005	178.371
23	34	Michael McDowell		Ford	37	30.287	0.442	0.013	178.294
24	10	Aric Almirola		Ford	23	30.296	0.451	0.009	178.241
25	42	Ross Chastain		Chevrolet	42	30.311	0.466	0.015	178.153
26	14	Chase Briscoe		Ford	35	30.336	0.491	0.025	178.006
27	17	Chris Buescher		Ford	35	30.444	0.599	0.108	177.375
28	7	Corey Lajoie		Chevrolet	21	30.454	0.609	0.010	177.317
29	38	Anthony Alfredo		Ford	41	30.455	0.610	0.001	177.311
30	77	Justin Haley		Chevrolet	20	30.464	0.619	0.009	177.258
31	37	Ryan Preece		Chevrolet	25	30.465	0.620	0.001	177.253
32	78	B.J. McLeod		Ford	9	30.878	1.033	0.413	174.882
33	53	Cody Ware		Ford	7	30.894	1.049	0.016	174.791
34	00	Quin Houff		Chevrolet	11	30.999	1.154	0.105	174.199
35	51	Garrett Smithley		Chevrolet	10	31.489	1.644	0.490	171.488
36	52	Josh Bilicki		Ford	18	31.737	1.892	0.248	170.148
37	15	James Davison		Chevrolet	25	31.860	2.015	0.123	169.492
38	66	David Starr		Ford	29	32.164	2.319	0.304	167.890