Product Summary

L33, L59, LM4, LM7, LQ4, LQ9, LR4, LS2

    Key Specs

    MFG. Part #
    BrandSpeedway Motors

    Need To Know

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    Speedway Motors LSX ignition coils are the top coils on the market today, featuring magnetic steel cores specially designed to deliver up to 15% more spark than OEM. They use a high resistant epoxy material for added resistance to shock and vibration at high RPM. This is a high-output replacement of the Delco D585 ignition coil.

    • 0.500 Ohms Primary Resistance
    • 2,000 Ohms Secondary Resistance
    • 40,000 volts Maximum Voltage
    • 300 microseconds Spark Duration
    • 220 milliamperes Peak Current
    • 75:1 Turns Ratio
    • 2.7 millihenrys Inductance
    • Female Coil Wire Attachment
    • Red in color
    • 8 piece set

    Fits most 1999-07 LS2/Truck engines

    CARB Warning

    For race/ off road use or for use on pre-1966 vehicles.

    Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.


    MFG. Part #
    BrandSpeedway Motors
    Maximum Voltage40000 volts
    Resistance0.5 ohms
    Secondary Resistance2000 ohms
    Inductance2.7 millihenrys
    Peak Current220 milliamperes
    Spark Duration300 microseconds
    Sold in QuantitySet