Rheem, America’s number-one water heating brand and major air conditioning and heating manufacturer, is celebrating a milestone with a special paint scheme on Kevin Harvick’s No. 4 Ford Mustang at Darlington. May’s Goodyear 400 at Darlington will mark Rheem’s 500th NASCAR® race as a primary sponsor. The brand is providing a pink, “Chasing a Cure,” design for Harvick at Darlington in celebration of its 500th race and its partnership with Harvick that began in 2007. Now Lionel Racing – The Official Die-cast of NASCAR® – is offering Harvick’s No. 4 Rheem 500th Race die-cast for pre-order.