RACEORLY Number：. Why Choose RACEORLY Hollow combined type Camshafts?. Fit BMW 3.0L L6 2979cc N55 Turbo Engine. Camshaft Bearing 1set. Camshaft Material : E355 & 100Cr6. Camshaft 1pcs. 20%-30% lighter than cast camshafts via hollow forged design, reducing rotational mass for faster RPM response and less crankshaft load.
