Mazda - H&R H&R makes a host of products for the Mazda line of cars. The Miata Suspension components are very popular with the Miata springs being great sellers. Miata Coilovers are big as well along with the RX8 Coilovers. Miata swaybars should be on everyone's list of "Must Have". There are also many spring applications for the Speed3, Speed6, RX7 & Protege.