Features
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HEI owners now have a choice to replace their stock coil with the MSD High Energy Unitized Coil for GM HEI Distributors. This coil is a direct replacement of the stock coil and offers increased spark energy when used with the MSD HEI Module,
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User Instructions:




| Recent reviews: |
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By Anonymous Not very Happy! I have had three of these units fail. I ran an older 8364 for five years without a problem. I pulled my old 8364 out of a junk box and it is still working fine. I won't buy another 83645 |
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By Anonymous the description is wrong |
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By Anonymous I have installed this in my 385hp 79 blazer and has worked flawless.Just got back from driving from CA to Cabo MX (Baja 1000)perfect!!JEFF |




