Ngk G-Power Platinum Spark Plug Tr5Gp (8 Pack) For Chevrolet Impala Ss 2006-2009 5.3L/325

These G-Power Platinum Spark Plugs Deliver The Power And Quality That You Expect From Ngk. The Fine Pure-Platinum Electrode Tip Remains Virtually Unchanged And Reaches Self-Cleaning Temperatures To Deliver Longer Durability And Optimum Performance. Compared To Conventional Plugs, G-Power Plugs Deliver Better Starts, Superior Acceleration, And Greater Fuel Economy. Shorty Spark Plug: No. Resistor: Yes. Manufacturer Heat Range: 5. Electrode Tip Material: Platinum. Electrode Core Material: Copper. Insulator Type: Projected. Spark Plug Thread Size: 14Mm. Spark Plug Reach: 0.708 In. Spark Plug Seat Style: Tapered. Wrench Diameter: 5/8 In. Ground Strap Quantity: One