Mishimoto Ignition Coil for GM LS1 97-04 High-Performance Replacement Set

Mishimoto Ignition Coil for GM LS1 (1997–2004) — High-Performance Replacement Set Restore crisp starts, smooth idle, and reliable power with the Mishimoto Ignition Coil set engineered specifically for GM LS1 engines (1997–2004). These coils are designed and tested to meet or exceed OEM GM performance standards, delivering consistent spark and dependable operation whether you run stock or mild bolt-on modifications. Key Benefits Direct-fit replacement: Precision-engineered for LS1 applications — installs in minutes with factory connectors and mounting points. Improved drivability: Fresh coils paired with new spark plugs restore engine startup, reduce misfires, and smooth idle. OEM-level performance: Tested to match or surpass original GM ignition output and durability. Available options: Sold individually or as a complete set of 8 to service the whole bank. Mishimoto Lifetime Warranty: Built confidence backed by industry-leading coverage. Why Choose Mishimoto Mishimoto combines motorsports-proven engineering with durable materials to deliver replacement parts that reliably revive aging ignition systems. Ideal as a Stage 0 upgrade before pursuing horsepower-enhancing modifications, these coils help your LS1 run the way it should.