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  • Holley J4 Connector Kit
    Holley

    J4 Connector Kit

    $65.50
    $65.50 $60.95
  • Holley Knock Sensor, MPFI Universal Harness
    Holley

    Knock Sensor, MPFI Universal Harness

    Only 7 left
    $31.14
    $31.14 $10.55
  • Holley LS1/6 (24x/1x) Engine Main Harness
    Sale
    Holley

    LS1/6 (24x/1x) Engine Main Harness

    $583.95
    $583.95 $731.95
  • Holley LS1 Knock
    Sold out
    Holley

    LS1 KNOCK

    $33.24
    $33.24 $13.74
  • Holley LS2/3/7+ (58x/4x) Engine Main Harness
    Sale
    Holley

    LS2/3/7+ (58x/4x) Engine Main Harness

    $583.95
    $583.95 $731.95
  • Holley LS2 Knock
    Holley

    LS2 KNOCK

    Only 9 left
    $33.24
    $33.24 $13.74
  • Holley LS Coil Extension Harnesses
    Sale
    Holley

    LS Coil Extension Harnesses

    $117.36
    $117.36 $146.95
  • Holley LS Coil Harnesses
    Sale
    Holley

    LS Coil Harnesses

    $179.95
    $179.95 $224.95
  • Holley LS Manifold Air Pressure & Crank Shaft Position Sensor
    Holley

    LS Manifold Air Pressure & Crank Shaft Position Sensor

    $33.24
    $33.24 $13.74
  • Holley LS Manifold Air Pressure Sensor AND 24x Crank Connector
    Holley

    LS Manifold Air Pressure Sensor AND 24x Crank Connector

    Only 8 left
    $63.29
    $63.29 $57.95
  • Holley LS Throttle Body Gasket
    Holley

    LS Throttle Body Gasket

    $35.68
    $35.68 $16.64
  • Holley LS Throttle Cable Bracket
    Sold out
    Holley

    LS Throttle Cable Bracket

    $63.88
    $63.88 $56.19
  • Holley LSU4 Bosch Wideband
    Sale
    Holley

    LSU4 Bosch Wideband

    $179.95
    $179.95 $224.95
  • Holley LSX Main Harness Connector Kit
    Sale
    Holley

    LSX Main Harness Connector Kit

    Only 12 left
    $148.72
    $148.72 $182.95
  • Holley Main Engine Harness for 24x LS w/TBI
    Sale
    Holley

    Main Engine Harness for 24x LS w/TBI

    Only 9 left
    $644.95
    $644.95 $806.95
  • Holley Main Engine Harness For 58X LS W/TBI
    Sale
    Holley

    Main Engine Harness for 58X LS w/TBI

    Only 8 left
    $628.95
    $628.95 $787.95
  • Holley Main Power Harness
    Sale
    Holley

    Main Power Harness

    $115.56
    $115.56 $120.95
  • Holley Manifold Air Pressure (MAP)
    Holley

    Manifold Air Pressure (MAP)

    Only 1 left
    $33.14
    $33.14 $13.58
  • Holley MAP Sensor - 1 Bar
    Holley

    MAP Sensor - 1 Bar

    Only 4 left
    $161.13
    $161.13 $158.95
  • Holley MAP Sensor - 2 Bar
    Sale
    Holley

    MAP Sensor - 2 Bar

    Only 15 left
    $181.60
    $181.60 $182.95
  • Holley MAP Sensor Bracket
    Holley

    MAP Sensor Bracket

    $73.59
    $73.59 $56.24
  • Holley MAP Sensor Port Cover
    Holley

    Map Sensor Port Cover

    $50.47
    $50.47 $41.67
  • Holley Metripack 150 Female Pins 22-20Ga 100Pk
    Holley

    Metripack 150 Female Pins 22-20GA 100PK

    Only 4 left
    $43.25
    $43.25 $28.34
  • Holley Metripack 150 Male Pins 22-20Ga 100Pk
    Sold out
    Holley

    Metripack 150 Male Pins 22-20GA 100PK

    $44.56
    $44.56 $30.26
  • Holley Metripack 150 Weather Plug 100 Pack
    Holley

    Metripack 150 Weather Plug 100 Pack

    Only 5 left
    $57.37
    $57.37 $48.96
  • Holley Metripack And GT De-Pinning Tool-150/280
    Holley

    Metripack and GT De-pinning TOOL-150/280

    Only 5 left
    $57.11
    $57.11 $45.54
  • Holley Metripack Crimping Tool-150/280 20-14Awg
    Sale
    Holley

    Metripack Crimping TOOL-150/280 20-14AWG

    Only 11 left
    $213.81
    $213.81 $259.95
  • Holley Metripack Weather Seal White 22-18Ga
    Sold out
    Holley

    Metripack Weather Seal White 22-18GA

    $37.32
    $37.32 $19.70
  • Holley Mizu P25 Male Pins 100Pk
    Holley

    Mizu P25 Male Pins 100PK

    Only 4 left
    $41.51
    $41.51 $25.80
  • Holley MOD/COYOTE Knock Sensor Connector, Main Harness
    Sold out
    Holley

    MOD/COYOTE Knock Sensor Connector, Main Harness

    $34.31
    $34.31 $15.30
  • Holley Modular Ford Cam & Crank / Coyote Crank Connector
    Holley

    Modular Ford Cam & Crank / Coyote Crank Connector

    Only 8 left
    $44.60
    $44.60 $30.32
  • Holley Modular Ford Coolant Temp Sensor Connector
    Sold out
    Holley

    Modular Ford Coolant Temp Sensor Connector

    $34.60
    $34.60 $15.12
  • Holley Modular Ford / Coyote Idle Air Control Connector
    Holley

    Modular Ford / Coyote Idle Air Control Connector

    Only 6 left
    $34.60
    $34.60 $15.12
  • Holley Modular Ford / Coyote Manifold Air Temperature Connector
    Holley

    Modular Ford / Coyote Manifold Air Temperature Connector

    Only 2 left
    $34.60
    $34.60 $15.12
  • Holley Molex Mx150 Male Pins 20-16Ga 100Pk
    Sold out
    Holley

    Molex MX150 Male Pins 20-16GA 100PK

    $41.51
    $41.51 $25.80
  • Holley MPFI/TPI Main Harness Connector Kit
    SaleSold out
    Holley

    MPFI/TPI Main Harness Connector Kit

    $139.46
    $139.46 $168.95
  • Holley MX 150 Cavity Plug
    Sold out
    Holley

    Mx 150 Cavity Plug

    $37.32
    $37.32 $19.70
  • Holley MX 150 Weather Seal 20-16Awg
    Sold out
    Holley

    Mx 150 Weather Seal 20-16AWG

    $37.32
    $37.32 $19.70
  • Holley NTK Wideband Oxygen Sensor
    Sale
    Holley

    NTK Wideband Oxygen Sensor

    $332.05
    $332.05 $415.95
  • Holley ODD/EVEN COIL CONNECTORS - Sub Harness
    Holley

    Odd/even Coil Connectors - Sub Harness

    $32.26
    $32.26 $12.32
  • Holley Power Tap
    Sold out
    Holley

    Power Tap

    $32.26
    $32.26 $12.32
  • Holley Pro-Dash Input/Output Harness
    Sale
    Holley

    Pro-Dash Input/Output Harness

    Only 12 left
    $263.09
    $263.09 $318.95
  • Holley Pro Dash Service Harness
    SaleSold out
    Holley

    Pro Dash Service Harness

    $141.77
    $141.77 $172.95
  • Holley Remote Mount Vent Valve for EFI Fuel Tanks
    Holley

    Remote Mount Vent Valve for EFI Fuel Tanks

    $47.27
    $47.27 $34.23
  • Holley Shc Screw 1/4-20 X 1 Ss
    Holley

    Shc Screw 1/4-20 X 1 Ss

    $25.90
    $25.90 $3.62
  • Holley Sniper 1 Transmission Control Kit
    Sale
    Holley

    Sniper 1 Transmission Control Kit

    $552.95
    $552.95 $691.95
  • Holley Sniper 2 EFI 3.5" Handheld Controller
    Sale
    Holley

    Sniper 2 EFI 3.5" Handheld Controller

    $286.95
    $286.95 $322.95
  • Holley Sniper 2 EFI Input/Output Harness
    Holley

    Sniper 2 EFI Input/Output Harness

    Only 14 left
    $59.26
    $59.26 $51.72
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