BBK Performance 1591 User Manual

LT-1 Camaro, Firebird/TransAm Impala SS
Part #1591

INS-052

Step 1

Disconnect negative battery terminal, raise front of vehicle and secure with jackstands. (Be sure to use proper
safety precautions when supporting vehicle.)

Step 2

Loosen the (3) 7/16" bolts which hold the stock pulley/balancer to the crankshaft hub. However, do not
completely remove yet.

Step 3

Carefully remove the stock serpentine belt per factory instructions.

Step 4

Note the position of the line-up mark on the stock pulley/balancer, this will be lined up with the 1/4" diameter hole
on the BBK pulley when reinstalled.

Step 5

Now completely remove the (3) balancer/pulley bolts while holding pulley securely to avoid dropping or damaging
the pulley.

Step 6

Reassemble the new pulley, balancer/stock pulley and crank hub using the supplied 7/16" bolts, lockwashers and
flatwashers as shown in the diagram. Torque bolts to factory specification (approximately 60-80 ft/lbs).

Step 7

Install new serpentine belt (Dayco #5060595 or Gates #K060594).

Step 8

Carefully lower vehicle, reconnect negative battery terminal and start vehicle, making sure the belt is
aligned properly.

INSTALLATION INSTRUCTIONS

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IMPORTANT—All appropriate safety equipment (e.i., gloves, tools) must be used during the installation of this product(s).
BBK Performance, Inc. accepts no responsibility for injuries resulting in the installation of any product(s).

STOCK (OEM) PULLEY/BALANCER

BBK (#1591) ALUMINUM PULLEY

CRANKSHAFT HUB