WOOFIXING Iridium Spark Plugs & 9718Q Wires for Chevy GMC 5.7L/4.3L/5.0L — Silverado, Tahoe, S10

WOOFIXING delivers a purpose-built ignition upgrade kit for popular GM trucks and SUVs. This set pairs eight 41-993 iridium spark plugs with eight 9718Q spark plug wires, engineered to suit engines in Chevy and GMC models from the late 1990s through the mid-2000s. The kit focuses on reliable spark delivery and durable construction, designed to support everyday driving as well as longer trips in vehicles powered by 5.7L, 4.3L, and 5.0L configurations.

Whether you own a Silverado 1500, Tahoe from the 1996–2000 era, or a S10 pickup, this ignition upgrade aims to help maintain steady ignition performance across a range of conditions. The parts mirror a robust OE-style fit, with attention to long-term reliability and consistent electrical flow, making it a practical option for DIY enthusiasts and professional service alike.

What’s in the box

• 8 x 41-993 iridium spark plugs
• 8 x 9718Q spark plug wires

Compatibility and coverage

The kit is designed to fit a broad set of GM vehicles from 1996 through 2009, including Chevrolet Silverado 1500, Tahoe (1996-2000), S10 Pickup (1996-2004), Sierra 1500 (1999-2009), and corresponding GMC models such as K1500, K2500, Suburban, and Sierra variants. It aims to support engines in the 5.7L, 4.3L, and 5.0L families common to these vehicles.

• Chevrolet Silverado 1500, Tahoe, S10, Sierra 1500
• GMC K1500/K2500, Suburban, Yukon, Sierra, Jimmy

Key benefits and features

• Long service life up to 100,000 miles before replacement
• Iridium center electrode with dual platinum tips for durable ignition
• Pure copper core supports cooler electrode temperatures for durability
• One-piece seal design helps reduce compression leakage and maintain plug-to-boot integrity

Real-world use and expectations

• Potential for easier cold starts and steadier idle in daily driving scenarios
• Possible improvement in throttle response and consistent performance on longer trips
• Designed to minimize misfires and support reliable ignition across miles

Note: Results can vary based on vehicle condition, maintenance history, and driving conditions. This overview highlights notable features and compatible applications to help inform your purchase decision without promising specific outcomes.