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NGK V-Power Spark Plugs TR55 (8 plugs total) for 1999-2013 Silverado 4.3L V6

For Silverado 99-13 with 4.3L V6 Engine and many more applications, please check the compatibility list or NGK Spark Plugs' website for fitment.

Center Electrode Core Material: Copper Core

Center Electrode Tip Material: Nickel w/ V-groove

Electrical Terminal Type: Non-Removable Nut

Ground Configuration: Standard

Ground Electrode Core Material: Nickel

Core Ground Electrode Quantity: 1

Ground Electrode Tip Design: Standard

Hex Size: 5/8"

Insulator Height: 53.00 mm

Manufacturer Heat Range: 5

Pre-Gap Size: 0.060 in

Reach: 0.708 in

Resistance: 5000 Ohms

Resistor Type: Yes

Seat Type: Tapered

Thread Diameter: 14.00 mm