NM Aluminum Adjustable Control Arms F54 F55 F56 F57

NM Engineering Aluminum Rear Adjustable Control Arms for F54 F55 F56 F57 MINI Cooper and Cooper S. While other brand control arms use 1" diameter 6061 aluminum material, NM Engineering machines their control arms utilizing aerospace grade 7075-T6 1 1/4" hex aluminum bars. The use of larger material provides rigidity and strength of steel bar but without the weight and lack of oxidation resistance. These NM Control Arms use precision heavy duty rod ends made from heat treated hardened steel with self lubricating nylon race. The threaded rod ends allow user to dial the suspension camber to desired specs, crucial for the weekend track enthusiasts and professional racers. T-303 stainless steel is used for the spacers to avoid any flexing and crushing caused by suspension load. Rubber boots for the rod ends are available as an option to protect the end from dirt. sold as a Pair (2 arms) Finish: Brushed Titanium