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MSD Power Upgrade Harness (GM LS1, LS6, LS2, LS7 & LQ)

$79.95

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We’ve learned that some of the OEM wiring that powers the coils may not be up to snuff when it comes to increasing performance and coil output. This direct plug-in harness allows you to provide a reliable path for the increased voltage and current that your coils need. (Even with stock coils!)


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  • Model: 88867
  • FROM: MSD

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we added this on Wednesday 16 January, 2013.

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