Owners manual
1993-97 GM LT1 Camaro/Firebird
Aluminum Crank Pulley Kit
Part # 1591
1
INS-052
Follow these instructions carefully to ensure correct fitment and operation.
Special Tools
Required:
•
No special tools
required
Install Time:
Approximately
1 Hour 30 Mins
Difficulty:
3 out of 5
STEP 1
STEP 4
• Disconnect the negative battery terminal, raise
the front of the vehicle and secure with jack
stands. (Be sure to use proper safety
precautions when supporting the vehicle).
STEP 5
STEP 2
• Install new serpentine belt. (Dayco #5060595 or
Gates #K060594).
• Loosen the (3) 7/16” bolts which hold the stock
pulley/balancer to the crankshaft hub. However,
do not completely remove yet. Carefully remove
the serpentine belt per factory instructions
• Re-assemble the new pulley, balancer/stock
pulley and crank hub using the supplied 7/16”
bolts, lock washers, and flat washers as shown
in the diagram. Torque the bolts to factory
specification (Approximately 60-80 ft/lbs).
STEP 3
STEP 6
• Note the position of the line-up mark on the
stock pulley/balancer, this will be lined up with
the ¼” diameter hole on the BBK pulley when
re-installed.
• Now completely remove the (3) balancer/pulley
bolts while holding the pulley securely to avoid
dropping or damaging the pulley.
• Carefully lower the vehicle, reconnect the
negative battery terminal and start the vehicle,
making sure the belt is aligned properly.

