NASCAR officials penalized six Cup Series teams and four Xfinity Series teams for lug-nut infractions during last weekend’s events at Homestead-Miami Speedway.

STANDINGS: Cup Series | Xfinity Series

Crew chiefs for each Cup Series team were fined $10,000 and Xfinity crew chiefs were docked $5,000 for violations of Section in the NASCAR Rule Book, with each team found with one unsecured lug nut in a post-race check.

On the Cup Series side, officials penalized:

In the Xfinity Series, penalized were:

A disqualification was assessed Saturday in the Xfinity Series after post-race inspection at the 1.5-mile track. The No. 23 Chevrolet driven by Tyler Reddick to an apparent second-place finish failed the rear height requirement and was dropped to last in the 40-car field.