The latter was apparent in last weekend’s NASCAR Cup race at Las Vegas Motor Speedway, when*Briscoe ran consistently up front and appeared to have race-winning speed until he picked up some damage with a run-in with Ryan Blaney racing for position early in the final stage.Briscoe ended the race 21st but with teammate Noah Gragson finishing sixth, it was clear SHR appears to have improved from ...<a class='more' href='https://www.motorsport.com/nascar-cup/news/briscoe-new-aero-rules-at-phoenix-exciting/10583512/?utm_source=RSS&utm_medium=referral&utm_campaign=R SS-NASCAR&utm_term=News&utm_content=www'>Keep reading</a>

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