Engine kit fits nighthawk CB650SC and CB550SC 1983-1985 . all bolts are SOCKET ALLEN HEAD. These are HAND polished stainless fasteners! not just a bag of bolts, comes with instructions, and sorted. kit includes: nighthawk CB550SC - CB650SC 1983-1985a:alternator cover3 piecesb:clutch cover8 piecesc:pulser cover3 piecesd:clutch slave3 piecese:left crankcase cover3 piecesf:crankcase breather cover2 piecesg:cylinder4 piecesh:intake boot8 piecesi:cylinder head cover22 piecesj:shifter cover 10 pieces66 pieces total here's a pic of cb750SOHC kit, this kit is similar On Jan-30-07 at 11:12:38 PST, seller added the following information: On Feb-26-08 at 04:28:20 PST, seller added the following information:On Sep-01-08 at 03:48:36 PDT, seller added the following information:Item Description WE BUILD ALL KITS TO ORDER. OUR PRODUCTION TIME IS 3-5 BUSINESS DAYS. SOMETIMES FASTER! SOMETIMES SLOWER (ESPECIALLY DURING THE SUMMER MONTHS!!) we polish all fasteners by hand, literally thousands of fasteners a day, this takes time. we are working as fast as we can. if you are not willing to wait 3-5 business days for your order to ship, don't purchase. or plan ahead.On Dec-19-09 at 14:56:56 PST, seller added the following information:Sellers: Get your own map of past buyers. Fast. Simple.On Jan-20-10 at 08:44:46 PST, seller added the following information:International shipping: we ship via usps priority international flat rate envelopes and small boxes.as per usps website (http://www.usps.com/international/prioritymailinternational.htm)Online Tracking - Put our delivery information to work for you. Track PMI package shipments. Note: Tracking is not available for Priority Mail International Flat Rate Envelopes or Priority Mail International Small Flat Rate Boxes.usps only offers delivery confirmation on these packages, not tracking progress. we are sorry for this, but it is not within our control. due to this fact, we cannot offer refunds on packages lost in transit. we can supply tracking/shipping label information.