NGK BPR5E 7075 火花塞 别克系列发动机专用 94535752

When your Buick engine shows rough idle, weak acceleration, cold-start difficulties or higher fuel consumption, typically ignition plug electrodes are severely burnt or carbonized; NGK BPR5E 7075 spark plugs ignite the mixture precisely for smooth Power output and lower emissions. OEM number 94535752; fits various Buick models after 2000 like Regal, GL8, Lacrosse etc with GM engines. Installation requires torque wrench tightened to spec and electrode gap set to 0.8-0.9 mm; improper torque can damage cylinder head threads or cause misfire.