Engine kit fits all years and variations HONDA TRX400EX TRX400X
all socket allen bolts are used for ease of assembly. these are HAND POLISHED, knurls removed.
These are polished stainless fasteners, not just a bag of bolts, comes with instructions, and sorted/labelled.

crankcase halves bolts are NOT included.  tey are available at https://www.ebay.com/itm/372534717025

kit includes: honda trx 400 ex Intake 3 Pieces Exhaust stud nuts 8 Pieces Cylinder head cover 13 Pieces Left crankcase cover 8 Pieces starter cover 4 Pieces Sprocket cover 2 Pieces Oil Filter cover 2 Pieces Right Crankcase cover 14 Pieces 54 Pieces total

here's a pic of another kit we do - so you can see the quality/finish we guarantee our kit fits,  we have a no questions asked return policy