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73752 Universal Ultra 40 Ignition Wire Set for GM LS/LT Engines [8.5 mm, Red, 90-Degree, 135-Degree, and Straight Plug Boots]
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MOROSOPART NUMBER: 710-73752

73752 Universal Ultra 40 Ignition Wire Set for GM LS/LT Engines [8.5 mm, Red, 90-Degree, 135-Degree, and Straight Plug Boots]

Color:

Black
Red
$16599
ShippingShips on 09/15/2026
Lowest PriceLowest Price Guarantee

Red
Universal Ultra 40 Ignition Wire Set
  • GM LS/LT Engines
  • 8.5 mm Wire Diameter
  • 60 in. Wire Length
  • Red Silicone Jacket
  • Includes 90-Degree, 135-Degree, and Straight Plug Boots
  • Pre-Terminated Coil Ends
  • Unassembled
  • Set of 8

    The Moroso 73752 Ultra 40 GM LS/LT Universal Ignition Wire Set delivers maximum spark energy and superior durability for high-performance GM LS and LT engine applications. Featuring robust 8.5 mm red silicone-jacketed wire and ultra-low 40 ohm/ft resistance, these wires offer exceptional conductivity and EMI suppression. Ideal for remote-mounted GM-style coil packs, the set includes multiple boot angles for custom routing and easy installation on performance street, swap, and race builds.

    Moroso 73752 Ultra 40 Ignition Wire Set Features:

    • Universal GM LS/LT wire set for remote-mounted GM-style coil packs (LS1, LS2, LS3, etc.)
    • 8.5mm red silicone construction for superior heat resistance and insulation
    • Ultra 40 design with low 40 ohm/ft resistance for maximum spark energy
    • Includes eight 60 in. wires with pre-terminated coil ends
    • Comes with straight, 135-degree, and 90-degree spark plug boots and terminals
    • Multiple boot angle options for flexible wire routing
    • High-performance solution for swaps, custom builds, and racing applications

    Ultra 40 Ignition Wire Set Includes:

    • Eight 60 in. 8.5 mm ignition wires with pre-terminated coil ends
    • Eight straight spark plug boots and terminals
    • Eight 135-degree spark plug boots and terminals
    • Eight 90-degree spark plug boots and terminals

    Moroso 73752 Ultra 40 Ignition Wire Set Notes:

    • Compatible with LS1, LS2, LS3, and similar GM LS/LT engine families
    • Designed for remote coil pack mounting configurations
    • Economical Spark Performance 

      Moroso Ultra Ignition Wire Sets are a cost-effective way to replace your original spark plug wires. By delivering a powerful, even-energy spark level of 350 ohms of resistance per foot, Ultra wire sets have spiral-wound core conductors with heat-resistant silicone boots and outer jackets. Multiple options include various thicknesses and colors, assembled (direct fit) or unassembled (universal), multiple boot angles, and high-temperature sleeves.

    Part TypeSpark Plug Wire
    Product LineMoroso Ultra Ignition Wire Sets
    BrandMOROSO
    Package Height3.62
    Package Width9.25
    Package Length60 in.
    Weight3.94 PG
    Part CategoryPerformance Parts
    Diameter (Mm)8.5
    Universal Or Specific FitSpecific
    ColorRed
    QuantitySold as a set
    AssembledNo
    Spark Plug Boot ColorBlack
    Spark Plug Boot MaterialHi Temp Silicone
    SleevedYes
    Coil Wire IncludedNo
    Part FitmentSemi Universal
    Boot Type90, 135, Straight
    Vendor Part Number73752
    Package Qty1
    Package TypeEA
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    No Reviews

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