Kyle Busch spins, goes quickest in final practice at Darlington

Busch’s single-lap speed of 173.320mph led the 85-minute session but it wasn’t drama-free for the former winner at the Track Too Tough to Tame.

Just before the 30-minute mark, Busch lost control of the No. 18 M&Ms Toyota on a qualifying run. But Busch recovered nicely.

Kevin Harvick was second followed by Jamie McMurray, Martin Truex Jr., Denny Hamlin, Brad Keselowski, Ryan Blaney, Austin Dillon, Kasey Kahne and Daniel Suarez.

Joey Logano’s 59-laps run were the most of the session.

Keselowski topped the speed chart in the first 15 minutes with a speed of 172.614mph after one lap. Daniel Suarez was second (172.215mph) followed by Hamlin (171.584mph), Kurt Busch (171.530mph), Blaney (171.518mph), Bowyer (171.029mph), Truex (170.916mph), Earnhardt (170.456mph), Elliott (170.365mph) and McMurray (170.285mph).

NASCAR released Erik Jones, who had a 15-minute practice hold for failing pre-race inspection twice. Kevin Harvick and Kyle Busch also escaped timeout. Both cars failed pre-qualifying inspection at Bristol.

Moments later, Danica Patrick jumped up to ninth with a lap of 170.407mph after three laps.

At the 29-minute mark, Kyle Busch spun off of Turn 4 working his fourth lap. He kept the car off the wall. He was 20th on the speed chart with a quick-lap of 168.955mph.

Practice resumed with 31 minutes expired in the final practice session. Keselowski held onto the top spot after the first 30 minutes. McMurray dropped to 11th followed by Jimmie Johnson, Ryan Newman, Kasey Kahne and Trevor Bayne.

David Ragan was released from his 30-minute practice hold. The No. 38 car failed pre-race inspection three times. Larson also joined practice after the No. 42 team failed pre-qualifying inspection three times at Bristol.

Hamlin bumped Keselowski with a lap of 172.632mph on his third lap. McMurray also moved up the chart to third with a lap of 172.594mph.

Kahne vaulted up to fourth on a qualifying run 50 minutes in. Larson slapped the wall and received damage to his right rear quarter-panel. 

Kyle Busch held the top speed (173.320mph) at the one-hour mark followed Harvick, McMurray, Hamlin, Keselowski, Blaney, Austin Dillon, Kahne, Suarez and Matt Kenseth.

Ten minutes later, Bayne slapped the wall coming off of Turn 4 on his 15th lap. He was 21st on the speed chart. Truex jumped up to fourth-quick with a lap of 172.729mph.

Here's video of Busch making contact with the wall:

Cla	#	Driver	Manufacturer	Laps	Time	Gap	Interval	Mph
1	18	Kyle Busch	Toyota	21	28.373			173.320
2	4	Kevin Harvick	Ford	26	28.414	0.041	0.041	173.070
3	1	Jamie McMurray	Chevrolet	28	28.427	0.054	0.013	172.990
4	78	Martin Truex Jr.	Toyota	24	28.470	0.097	0.043	172.729
5	11	Denny Hamlin	Toyota	35	28.486	0.113	0.016	172.632
6	2	Brad Keselowski	Ford	34	28.489	0.116	0.003	172.614
7	21	Ryan Blaney	Ford	21	28.520	0.147	0.031	172.426
8	3	Austin Dillon	Chevrolet	18	28.545	0.172	0.025	172.275
9	5	Kasey Kahne	Chevrolet	25	28.546	0.173	0.001	172.269
10	19	Daniel Suarez	Toyota	34	28.555	0.182	0.009	172.215
11	20	Matt Kenseth	Toyota	39	28.609	0.236	0.054	171.890
12	27	Paul Menard	Chevrolet	31	28.631	0.258	0.022	171.758
13	88	Dale Earnhardt Jr.	Chevrolet	27	28.651	0.278	0.020	171.638
14	41	Kurt Busch	Ford	37	28.669	0.296	0.018	171.530
15	31	Ryan Newman	Chevrolet	23	28.706	0.333	0.037	171.309
16	42	Kyle Larson	Chevrolet	34	28.717	0.344	0.011	171.244
17	14	Clint Bowyer	Ford	41	28.753	0.380	0.036	171.029
18	47	A.J. Allmendinger	Chevrolet	20	28.755	0.382	0.002	171.017
19	43	Aric Almirola	Ford	41	28.784	0.411	0.029	170.845
20	24	Chase Elliott	Chevrolet	54	28.846	0.473	0.062	170.478
21	37	Chris Buescher	Chevrolet	21	28.852	0.479	0.006	170.442
22	10	Danica Patrick	Ford	32	28.858	0.485	0.006	170.407
23	48	Jimmie Johnson	Chevrolet	49	28.881	0.508	0.023	170.271
24	22	Joey Logano	Ford	59	28.907	0.534	0.026	170.118
25	6	Trevor Bayne	Ford	15	28.933	0.560	0.026	169.965
26	17	Ricky Stenhouse Jr.	Ford	39	28.936	0.563	0.003	169.947
27	95	Michael McDowell	Chevrolet	33	28.940	0.567	0.004	169.924
28	77	Erik Jones	Toyota	43	29.021	0.648	0.081	169.450
29	13	Ty Dillon	Chevrolet	40	29.074	0.701	0.053	169.141
30	32	Matt DiBenedetto	Ford	20	29.090	0.717	0.016	169.048
31	38	David Ragan	Ford	36	29.236	0.863	0.146	168.204
32	23	Corey Lajoie	Toyota	21	29.309	0.936	0.073	167.785
33	34	Landon Cassill	Ford	45	29.551	1.178	0.242	166.411
34	72	Cole Whitt	Chevrolet	39	29.588	1.215	0.037	166.203
35	83	Gray Gaulding	Toyota	22	29.631	1.258	0.043	165.961
36	33	Jeffrey Earnhardt	Chevrolet	27	29.958	1.585	0.327	164.150
37	15	Reed Sorenson	Chevrolet	18	30.050	1.677	0.092	163.647
38	51	Cody Ware	Chevrolet	11	30.618	2.245	0.568	160.611
39	55	Derrike Cope	Toyota	9	30.704	2.331	0.086	160.162
40	66	Carl Long	Chevrolet	6	30.835	2.462	0.131	159.481