OEM Spark Plugs - Set Of 6 Vacuum Pump Professional installation recommended to ensure

Professional installation recommended to ensure proper bleeding and brake function

Measures 0-30 inHg vacuum and 0-30 PSI boost

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Emissions Compliance: Helps lower cold-start emissions and pass inspections

Easy replacement with standard tools

OEM Spark Plugs - Set Of 6 Vacuum Pump Professional installation recommended to ensureThe spark plug is positioned at the top of the cylinder and should be taken care of to maintain optimum engine performance. The best course of action is to replace each spark plug during a regularly scheduled tune up. Worn spark plugs can cause a decrease in performance and fuel mileage, as well as misfires.