Proper Alignment With The Proper Spacer
This Professional Products heavy duty harmonic balancer spacer is made of high strength steel and are the perfect way to adapt your balancer for your Supercharged 5.0L application. The spacer is .95" thick, and all 1979-95 supercharged 5.0L engines require the 81009 spacer for proper serpentine alignment.
Depending on your existing crank pulley mounting hardware, Longer bolts may be needed when installing pulley to balancer.
If you have a naturally aspirated 5.0L engine we recommend that you use our 81007 aluminum spacer.