For Chevrolet Silverado 1500 1999 - 2006 8 Pack Ignition Coils and 8 Iridium Spark Plugs and 8 Wire Set

<p>Feature<br>High Performance<br>Brand new ignition coil set, never used or installed<br>Ready to use, Direct Replacement<br>Built to strict quality control standards<br>100% Factory tested<br>Connector: 4 pins<br>Connection gender: female<br>Terminal gender: male<br>Terminal type: blade<br>Voltage: 12V<br>Superior quality part with durable copper wire inside. for OE+ durability<br>Better than for OEM QUALITY replacement<br>&nbsp;<br>Part Number/for OEM Number<br>&nbsp;<br>UF271, UF-271, D581, IC328, C561, C1208, 5C1083, 521618, 50253<br>12558693, 12570553, 12556893, 23218007, 3859078, 38590782</p> <p></p> <p>Package included<br>8X Ignition Coils + 8X Iridium Spark Plugs + 8X Wire Set（15% increase in performance and energy）</p>

• Complete set of 8 ignition coils, 8 iridium spark plugs, and 8 cylinder wires - including 8 ignition coils, 8 iridium spark plugs, and 8 cylinder wires, with a performance and energy improvement of 15%. The entire vehicle ignition system upgrade is completed in one go, ensuring consistent ignition performance for all cylinders
• Quality assurance - using durable copper wire winding, strict quality control standards, 100% factory testing, performance better than original replacement parts, ensuring stable and reliable ignition performance
• Wide OEM part number compatibility - compatible with multiple original part numbers such as UF271, UF-271, D581, IC328, C561, C1208, 5C1083, 521618, 50253, 12558693, 12570553, 12556893, 23218007, 3859078, 38590782, etc
• 4-pin female plug+blade terminal design -4-pin female plug connector, male terminal, blade terminal type, 12V voltage design, perfectly matches the original car ignition system interface
• Improve performance and fuel efficiency - Iridium spark plugs have higher ignition efficiency, more complete combustion, a 15% performance improvement, restore engine power, reduce fuel consumption, smoother idle, ready to use