Kelford Camshafts for S58 2021+ G8X BMW M2/M3/M4
Kelford high performance camshafts for S58 powered M2/M3/M4 models are available for builds with mild bolt-ons to built engines and full drag cars. BMW M Series camshafts designed for S58 engines with bolt on intake, exhaust and turbo upgrades. For engines producing around 600-850hp running a 60-68mm turbo.
Please Note: Valve Spring Upgrade is Required, Kelford Cams recommend valve spring KVS58-BT.
Vehicle Fitment:
2023+ BMW M2 (G87)
2021+ BMW M3 (G80/81)
2021+ BMW M4 (G82/83)
(S58 Engine)
Includes:
(2) Camshafts
(1) Cam Lube
(1) Cam Spec Sheet
| Part Number: |
Duration: (INT/EXH) |
Lift (mm): (INT/EXH) |
Suggested Use: | Notes: |
| 358-A | 288°/268° | 10.30mm/10.15mm | Stage 1 high performance camshaft. BMW M Series camshafts designed for S58 engines with bolt on intake, exhaust and turbo upgrades. For engines producing around 600-850hp running a 60-68mm turbo. | • Maintains full use of Valvetronic and Dual VANOS for great throttle response and wide power band. |
| 358-B | 292°/280° | 10.40mm/10.60mm | 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). • Ensure the clearance of the new racing cam lobe with the intake intermediate rockers and trim or deburr OEM pressed steel rockers if necessary. |
| 267-C | 282/290° | 11.7/11.7 | Kelford Cams recommends using their Stage 3 drag racing cams for S58 engines that are professionally built and capable of making over 1400hp. If you plan on using high boost and 76mm+ turbo sizing, then you should be using either ethanol blend or methanol fuel. | • Please double-check clearance for the new racing cam lobe with your intake intermediate rockers. • If you’re using OEM pressed steel rockers, be sure to deburr them to avoid any issues with fouling on the larger cam lobe. |
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