Here are the instructions for a 5th gen timing belt replacement from the Honda Service manual
And a parts exploded view of the camshaft and timing belt
#11 is the balance belt
13405-PT0-004 BELT, BALANCER TIMING (UNITTA) $36.68
#17 is the timing belt
14400-P13-014 BELT, TIMING (155YU24 A-555) $60.28
#23 is the autotensioner (this is a SUPERSEDED part# which replaced the original one that was prone to failure)
14520-P13-013 ADJUSTER, AUTOMATIC $80.30 there also is a 'KIT' part#06144-P13-305 which includes the autotensioner and a timing belt)
#38 is the cam seal (if needed)
91213-PR3-004 OIL SEAL ( 29 X 43 X 8 )(ARAI) $5.55 each
#29 is balance shaft seal (if needed)
91233-PT0-003 OIL SEAL ( 27 X 40 X 8 ) (NOK) $5.58
#28 is crank seal (if needed)
91212-PAA-A01 OIL SEAL ( 40 X 52 X 7 ) (NOK) $6.71
#5 is an oil pump gasket/seal (if needed)
15114-PT0-003 GASKET B, OIL PUMP (ARAI) $3.67
#32 is the oil cooler o-ring (if needed)
91316-PT6-003 O-RING (62.4 X 3.1 ) $1.98
#7 is the oil filter base gasket SH only (if needed)
15205-P5P-000 GASKET, OIL FILTER BASE $3.93
#20 is the oil pressure switch (common for these to leak after many miles)
37240-PT0-014 SWITCH, OIL PRESSURE (TEC) $6.80
The water pump parts view
#1 water pump and includes the gasket #2
19200-P13-003 WATER PUMP (YAMADA) $70.85 (recommended when doing the timing belt because it's behind the belt)
The cylinder head parts view
#8 is the camseal for the flywheel side of the intake cam (if needed - a common H22 oil leak area) one is not needed for the exhaust cam because the distributor goes there and uses an o-ring (see farther down)
12513-P30-000RUBBER, CYLINDER HEAD SEAL $5.36
there is the DIY for installing it here
http://www.***********.com/showthrea...088#post261088
and rosko racing makes a billet aluminum one with 3 o-rings for $20
Cam Seals!! - Honda Prelude Forum : Honda Prelude Forums
#15 is the VTEC solenoid gasket and screen (not necessarily needed but can't hurt to clean and reinstall since they usually leak)
15825-P13-005 FILTER ASSY., SPOOL VALVE $13.92
DIY here
Vtec Solenoid screen gasket cleaning How To - Honda Prelude Forum : Honda Prelude Forums
You might as well do the distributor o-ring too #6 while you're in there because this is a another common oil leak for H22's
30110-PA1-732 O-RING (26.4X3.1) (TEC) $1.47
H22 valve cover
Since the valve cover has to be removed to do a t-belt job a new gasket is recommended
#1 is the complete gasket set - it includes the sparkplug tube seals and washer grommets
12030-P13-000 GASKET SET, HEAD COVER $41.39
and you might as well to a valve clearance adjustment too since the cover is off
DIY: H22A4 Valve Adjustment! by JLUDE - Honda Prelude Forum : Honda Prelude Forums
torque specs 8.7ft/lb tightening sequence is below
I also recommend replacing the belts too
A/C belt
38920-P0F-J02 BELT, COMPRESSOR (MITSUBOSHI) $19.72
P/S belt
56992-PDE-E01 BELT, POWER STEERING PUMP $14.98