The motor was denied in using a cast iron block of cylinders, so they replaced it with a light aluminium block having cast iron sleeves. (mywikimotors.com)
Outstanding features of the Kappa engine's modern architecture include dual overhead camshaft (DOHC), dual continuously variable valve timing (CVVT), a very stiff cast aluminium block with cast iron liners, aluminium cylinder head, lighter connecting rods and maintenance - free long - life timing chain. (thekoreancarblog.com)
The high - pressure die - cast lightweight aluminium block is stiffened with cast iron liners and cross-bolted main bearing caps, providing refinement to match its power. (ausmotive.com)