Engine assembly fits Stihl STIHL MS170 MS180,cylinder kit ,crankshaft,bearings

Engine assembly fits MS170 MS180 018 017 chainsaws,all parts included as per photo. 38 mm cylinder bore. Big Bore replacement for STihl 017 and MS170 which uses 37 mm bore originally. Ready to fit and use,massive savings against original Stihl engine. Replaces ; 1130 020 1208 , 1132 030 0402 1130 020 1204 This is good quality non original replacement part.