358-B | BMW S58

Stage 2 racing cams for professionally built BMW S58 engines that can deliver 800hp to 1400hp with 66-75mm turbo sizing and aftermarket intake plenums. The cams enable full use of Valvetronic and Dual VANOS while allowing you to lock Valvetronic when using an aftermarket throttle body. (Please check valve-to-piston clearances on full travel of VANOS and Valvetronic). Upgrade valve springs with Kelford Cams’ KVS58-BT. Ensure the clearance of the new racing cam lobe with the intake intermediate rockers and trim or deburr OEM pressed steel rockers if necessary.The 358-B has had many independent tests completed by various engine builders check out the latest cam swap dyno test.