4 Pack Genuine OEM ACDelco 41-109 Spark Plug Iridium GM 12622561

Reach: 25 mm
Gap Size: 0.04 in
Classification: OE
Gap Size: 1.1 mm
Insulator Height: 52.5 mm
Insulator Height: 2.07 in
Reach: 0.98 in
Grade Type: Performance
Seat Type: Tapered
Ground Electrode Quantity: 1
Center Electrode Tip Material: Iridium
Resistor Type: Yes
Ground Electrode Tip Design: Standard
Ground Configuration: Standard
Washer Included: No
Hex Size: 16 MM