Genuine Mopar/NGK Spark Plugs, Pack of 8. Please Note if you have a vehicle listed below you will need 

to order a quantity of 2 when checking out. These vehicles have 2 plugs per cylinder. 

Mopar Part Number: SPLZTR4A13

NGK Part Number: 4997

2003-2008 Dodge Ram 1500 5.7L V8 Twin Spark System (Requires 16 Spark Plugs) 

2003-2008 Dodge Ram 2500 5.7L V8 Twin Spark System (Requires 16 Spark Plugs) 

2003-2008 Dodge Ram 3500 5.7L V8 Twin Spark System (Requires 16 Spark Plugs)