Collection: Speed Max Innovation Harnesses and Modules

14 products
  • Digital Dash Fuel Level Harness - 7" Holley Dash
    Regular price
    $35.99
    Sale price
    $35.99
    Regular price
    $40.99
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  • (SMI-ALT44C) 2 Pin GM Alternator Control Module
    Regular price
    $109.99
    Sale price
    $109.99
    Regular price
    $139.99
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  • (SMI-PRO-DF) Digital Dash Fuel Level Harness - 6.86" and 12.3" Holley PRO Dash
    Regular price
    $35.99
    Sale price
    $35.99
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    $40.99
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  • (#SMI-DDPM-S) Digital Dash Power Module - For 3.5" and 7" Holley Dashes
    Regular price
    $69.99
    Sale price
    $69.99
    Regular price
    $79.99
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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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  • Holley EFI CAN Splitter - Budget Grade Splitter
    Regular price
    $32.99
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    $32.99
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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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  • (SMI-CCA1) Cam Sensor Adapter 24x to 58x/LS2/8.1L
    Regular price
    $39.99
    Sale price
    $39.99
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