Honda Acura NSX 1991 Service Manual page 120

Valve Springs and Valves
-Valve Spring and Valve Seal Installation Sequence
and intake valve seals are NOT interchangeable.
NOTE: Exhaust
INTAKE VALVE SPRING
Place
NOTE:
spring
toward the cylinder head.
INTAKE VALVE SEAL
(WHITE SPRING)
Replace.
only)
the end ,of valve /
with closely WO'UJ-ICJ coils
SPRING SEAT
NOTE: Install the valve spring seats
before installing the valve seals.
VALVE KEEPERS
VALVE SPRING
RETAINER
EXHAUST VALVE SEAL
(BLACK SPRING)
Replace.
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