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Mishimoto ignition coil sets for 1999–2007 GM truck applications with heatsink-style coils are offered to replace aging factory components. Designed and tested to meet or exceed OEM GM specifications, these coils are available individually or in complete sets of eight to refresh ignition performance, address misfires, and help restore proper idle and startup behavior. They are covered by Mishimoto’s Lifetime Warranty.
Mishimoto 99-07 GM Truck/Heatsink Style Ignition Coil Set
