Ford Performance Parts Ford Racing Small Block V-8 Hydraulic Roller Tappet Camshafts 2021-ford-f150-esi5333449 Do I need to drain

Do I need to drain my system before swapping this in

Constructed from lightweight carbon fiber and finished in a deep high-gloss UV-protected clear coat

creating a cohesive performance-focused cockpit that honors BMW's motorsport heritage

60mm Extended Shank - Clears deep-dish wheels

Ford Performance Parts Ford Racing Small Block V-8 Hydraulic Roller Tappet Camshafts 2021-ford-f150-esi5333449 Do I need to drainDescription: Camshaft intake and exhaust valve events are measured at 0. 050" tappet lift. The duration figures in the shaded area are taken at 0. 050" tappet lift. This is useful to check the cam with a degree wheel during installation. The solid color is advertised duration. For comparison purposes, add intake and exhaust lobe centers and divide by 2 to calculate "camshaft centerline" specification for Ford Racing camshafts.