Collection: Speed Max Innovation Harnesses and Modules

3 products
  • (SMI-ALT44C) 2 Pin GM Alternator Control Module
    Regular price
    $139.99
    Sale price
    $139.99
    Regular price
    $180.00
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  • Holley EFI CAN Splitter 3 Way - Budget Grade Splitter
    Regular price
    $49.99
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    $49.99
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  • (SMI-IH2-GMT800) PRE-ORDER ONLY! Holley Integration Harness for 03-07 Classic GMT800 Trucks and SUV's
    Regular price
    $500.00
    Sale price
    $500.00
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