Engine kit fits all years and variations HONDA TRX250X (1987-1992)all socket allen bolts are used for ease of assembly. these are HAND POLISHED, knurls removed.These are highly polished stainless fasteners, not just a bag of bolts, comes with instructions, and sorted. kit fita all:honda trx250x (1987-1992)A:cylinder head/intakeB:left crankcase/sprocket coverC:right crankcase coverD:exhaust 74 pieces total! here's a pic of another kit we do - so you can see the quality/finish On Dec-28-06 at 01:33:35 PST, seller added the following information: On Aug-28-08 at 15:46:15 PDT, seller added the following information:On Sep-01-08 at 03:43:59 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-27-09 at 19:09:17 PST, seller added the following information:Sellers: Get your own map of past buyers. Fast. Simple.On Jan-20-10 at 08:32:37 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.