We have many stocks as follows, Cylinder liner:RTA58,RLB56,RLB76,RTA48T-B,RND90M,RLB90,L50MC,L60MC,L35MC,L42MC,L70MC,S60MC-C,K90MC-C,S46MC-C,etc Cylinder head: L35MC 2pcs,L42MC(MK3)1pc,L50MC(MK3)2pcs,L60MC 1pc,S50MC(766)2pcs,S35MC1pc,RTA48T2pcs,RTA38 2pcs piston crown S26MC5pcs,L35MC5pcs,L42MC3pcs,L50MC3pcs,L60MC2pcs,L+S70MC2pcs,RTA58 2pcs.RLB66 2pcs,RTA84(2pcs),RND90M 2pcs. piston skirt: B&W35~70,FLXLL50~6010pcs.sulzer48~90M have stock. cooling water jacket: RND58 4pcs,RND68 5pcs,RND68M2pcs,RND90M5pcs,RND76-M10pcs L42MC,L6MC cylinder liner,water jakcet 2PCS,