For GM Trucks and SUVs, there are two different type of coils the round body coil and the Square body coil; Please check your original coils to make sure whether you need the round or square style coil
Designed and manufactured to operate reliably under all operating conditions and throughout the entire engine speed range for peak engine performance
Products are designed to meet or exceed OE specifications in form, fit and function
Reduces common ignition coil issues such as; no/hard start, long crank time, misfires, lack of power, inconsistent transmission shifts, spark plug fouling, premature catalytic converter failure, poor fuel economy, check engine light illumination