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 1983-1985

a:alternator cover
3 pieces

b:clutch cover
8 pieces

c:pulser cover
3 pieces

d:clutch slave
3 pieces

e:left crankcase cover
3 pieces

f:crankcase breather cover
2 pieces

g:cylinder
4 pieces

h:intake boot
8 pieces

i:cylinder head cover
22 pieces

j:shifter cover
10 pieces

66 pieces total
here's a pic of cb750SOHC kit, this kit is similar