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Spark Plug Wires. LS1, LS2, LS3, LS6, LS7 PCE390.1028
Carbon-core wires wrapped with fine monel, covered with a pure silicone inner sleeve and nylon web outer sleeve (that acts like a Chinese handcuff) and two-piece ends with a spring steel clip… Speedmaster manufactures these Wires specifically for your computer-controlled C5 engine to suppress radio interference and reduce cross-firing. Tests show that consistently improves 0-60 times. Covered by a manufacturer’s lifetime guarantee.
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