Heatsink for Gen4 controllers

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Plan on getting the most performance out of your controller? Use an aluminum finned heatsink for your Gen4 controller. Keeping your controller cool makes your overall system more efficient, robust, and promotes longevity! 1.3" tall. Comes with heat grease and bolts to attach to controller. May be slightly different than pictured. 

Use the size 2 for 5Kw kits (7.4"x6.5" controller footprint)

Use the size 4 for 10kw and 12Kw kits (9"x6.7")

Use size 6 for 550amp Gen 4 (12"x6.7")