【Complete 16-Piece Ignition Tune-Up Kit】Includes 8 41-962 double platinum spark plugs + 8 high-performance spark plug wires, designed as a full ignition refresh for GM V8 engines. Restore lost power, fuel efficiency, and smoother acceleration in one package
【Direct OEM Fit & Broad Compatibility】Perfectly compatible with 1999–2011 GM vehicles using 4.8L / 5.3L / 6.0L V8 engines. Works with Chevy Silverado, Suburban, Tahoe, GMC Sierra, Yukon, Cadillac Escalade, Hummer H2 and more. Replaces OEM #41-962, 9748HH, 12558693, 88894393
【Solve Common Engine Issues Fast】Fix rough idle, misfires, slow starts, and poor fuel economy in one easy upgrade. The double platinum electrodes deliver long-lasting spark stability, while the insulated wire set ensures consistent voltage and EMI suppression, reducing check engine lights and hesitation
【Built Tough for Long-Term Reliability】Double platinum spark plugs provide exceptional wear resistance and long-lasting performance. The high-temperature silicone boots and fiberglass-reinforced wires are built to withstand oil exposure, extreme heat, and corrosion for reliable operation in tough engine conditions
【DIY Friendly with Tech Support】Pre-gapped plugs and plug-and-play wire lengths mean no cutting, splicing, or guesswork—installation is quick, even for first-time DIYers. Questions? Our support team is here to help with fitment and installation advice, backed by our satisfaction guarantee