ATI 3GKMM-004 GM LS Crank Pinning Kit/ATI Performance Balancers

In high horsepower applications the pulley can spin on the crankshaft sometimes so severely that the crankshaft and balancer can be damaged.
In high horsepower applications the pulley can spin on the crankshaft sometimes so severely that the crankshaft and balancer can be damaged.
In high horsepower applications the pulley can spin on the crankshaft sometimes so severely that the crankshaft and balancer can be damaged.

ATI 3GKMM-004 GM LS Crank Pinning Kit/ATI Performance Balancers

ATI 3GKMM-004 GM LS Crank Pinning Kit For ATI Performance Balancers

On LS1, LS6 & LS2 engines the crankshaft and factory harmonic balancer does not use a keyway to positively locate and lock the balancer. In high horsepower applications the pulley can spin on the crankshaft sometimes so severely that the crankshaft and balancer can be damaged.

This pinning kit works with factory harmonic balancers and ATI Performance Products harmonic balancers. It comes with the longer drill bit for use with the ATI Performance products hub.

Nice video of using this pinning kit, thanks Dave!


The Finer Details

Part Number: ATI 3GKMM-004

Manufacturer: ATI ProCharger (Accessible Technologies Inc)

Condition: New

Weight: 2 lbs

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In high horsepower applications the pulley can spin on the crankshaft sometimes so severely that the crankshaft and balancer can be damaged.

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ATI 3GKMM-004 GM LS Crank Pinning Kit/ATI Performance Balancers