Premium platinum spark plugs engineered for GM LS-family engines and other high-performance applications with matching specifications, delivering dependable ignition, extended service life, and consistent operating performance.
- Thread size: 14 mm x 1.25
- Thread length: 0.708"
- Core material: platinum for increased durability
- Tip material: platinum for a stable spark and efficient combustion
- Seat type: taper seat
- Gap (electrode distance): 1.1 mm
- Resistor plug: yes (resistor spark plug to minimize electrical interference)
- Heat range chart row: 34
- Overall length: standard
- Hex size: 5/8" (16 mm)
Spark plugs are sold individually. When placing an order, specify the exact quantity required for the engine.