126743 Direct-Fit 8.5 mm Spark Plug Wire Set for GM LS Engines
InfoVehicle Info Needed
SQR PERFORMANCEPART NUMBER: 438-126743

126743 Direct-Fit 8.5 mm Spark Plug Wire Set for GM LS Engines

$7999
ShippingShips on Sep 07, 2026
Lowest PriceLowest Price Guarantee

GM
Direct-Fit Spark Plug Wire Set
  • GM LS Engines
  • 8.5 mm
  • Black Silicone Sleeves
  • Set of 8

    SQR Performance SQR Performance 126743 Features:

    For those seeking a great performance spark plug wire set with a significant upgrade over stock, SQR Performance direct-fit 8.5mm spark plug wire set with 90-degree spark plug boots delivers. This wire set is a direct-fit for most 1999-2007 GM vehicles with LS engines, and the spiral-wound core wires provide ultra-low resistance in addition to excellent EMI suppression, larger wire insulation and extra-thick molded boots. The all-new design is ideal for performance, racing and a significant upgrade for a stock engine.

    • Larger molded boots for better heat protection
    • Spiral-wound core
    • Extremely high EMI suppression to limit electronic and radio interference
    • Superior heat resistance compared to competitively priced spark plug wire sets
    • Clean appearance with black wires and gray molded boots
    • Direct-fit for most 1999-2007 GM vehicles with LS engines
    • 8.5mm plug wire
    • Spark plug terminals and boots come pre-terminated
    • Ignition Wire Set Includes: 8 pre-terminated spark plug wires, Dielectric grease
  • Part TypeSpark Plug Wire
    BrandSQR PERFORMANCE
    Part CategoryPerformance Parts
    Universal Or Specific FitSpecific
    Spark Plug End Boot Degree45
    Spark Plug Boot MaterialRubber
    Wire Separators IncludedNo
    Insulation ColorBlack
    Spark Plug End Boot ColorGrey
    Part FitmentDirect Fit
    Outside Diameter8.5 mm
    Grade TypePerformance
    Boot TypeStraight
    Package Qty1
    No Questions
    No Reviews

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