Not exact matches
A cylinder head casting number that does not match will require replacement of the 12 exhaust camshaft hydraulic valve lifters (HVA) as
per Repair Instruction RA 11 33 050, Removing and installing / replacing all
rocker arms.
The SL63 AMG is powered by an AMG 6.3 - liter V8 engine that features four valves
per cylinder, variable valve timing, bucket tappets (rather than
rocker arms) and a variable intake manifold.
Design features of the B and RB engines include 17 capscrews
per cylinder head, a cylinder block that extends 3 in (76 mm) below the crankshaft centerline, an intake manifold not exposed to crankcase oil on the underside, stamped - steel shaft - mounted
rocker arms (race versions used forged steel
rockers), and a front - mounted external oil pump driven by the camshaft.