SELEAD 8 ignition coils with 8 iridium Spark Plugs for Chevrolet for GMC CadillacCamaro Corvette Express Impala CTS Rainier Avalanche Silverado

IGNITION COIL COMPATIBILITY: for Chevrolet Avalanche 5.3L, Camaro 6.2L, Caprice 6.0L, Corvette 6.0L, Corvette 6.2L, Corvette 7.0L, Express 1500 5.3L, Express 2500 4.8L, Express 2500 6.0L, Express 3500 4.8L 6.0L, Express 4500 6.0L, Impala 5.3L, Monte Carlo 5.3L, Silverado 1500 4.8L 5.3L 6.0L 6.2L, Silverado 2500 6.0L, Silverado 3500 6.0L, Suburban 1500 5.3L 6.0L, Suburban 2500 6.0L, Tahoe 4.8L 5.3L 6.0L, Trailblazer 5.3L 6.0L. Compatible with for Hummer H2 6.2L, H3 5.3L., COILS COMPONENTS AND FUNCTION: The ignition coil is mainly composed of primary coil, secondary wire and core. In the ignition system, the ignition coil is used to change the low-voltage electricity into high-voltage electricity, so that the spark plug produces spark., COIL PACKS REPLACEMENT TIME: Generally speaking, the service life of ignition coil is over 100,000 kilometers. If the ignition coil on the vehicle needs to be replaced because of aging, then even if only one failure occurs, it is best to replace it all together, because the others are similar., MAINTENANCE OF IGNITION COILS: Prevent ignition coil from heating or damp. Do not turn on the ignition switch when the engine is not running. Check, clean and tighten line joints regularly to avoid short circuit or tie-up. Control Engine Performance to Prevent over-voltage. The moisture on the ignition coil can only be wiped with cloth, otherwise the ignition coil will be damaged., ABOUT WARRANTY: 12-months after-sale warranty and online answers during working time. If you have any questions, please send us emails.C1511, UF413, F413, 5c1554, D513a, D510C, E893, 52-1819, IC533, 12570616, 12611424, C-721

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