Performance Earthing Systems

A performance earthing system is a great upgrade to your vehicle to increase its idle and drivability by adding additional grounding points to equalize resistance and voltage between various ground points. Sport Compact Warehouse is your premier source for Performance earthing systems. Reach out to one of our experienced representatives today if you have any questions and we will help you make a more informative decision.

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GM 9427693
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GM 9427693 Engine Expansion Plug
for 2009 Hummer H3 X

$8.81

Save: $1.15
Sale Price:

$7.66

Estimated Ship Date: Today

In Stock - 3 New In Stock
EngineFitment Notes
2009 Hummer H3 X equipped with
3.7L L5
 
2009 Hummer H3 X equipped with
3.7L L5