SILZKBR8D8S Spark Plug NGK Iridium Spark Plug - Set of 8 - 97506

SILZKBR8D8S Spark Plug NGK Iridium Spark Plug - Set of 8 - 97506

Normally around $519.92

Upgraded 2 steps colder spark plugs for N54 and N20 and 1 step colder for N55 and S55 BMW engines

With the smallest tip diameter available, OE Iridium spark plugs provide superior ignitability and long service life. The iridium/platinum surfaces ensure a slow wear rate, providing stable idle and superior anti-fouling. Laser-welded iridium centre electrode tip Platinum disc welded to backside of ground electrode provides long life Faster starts and quicker acceleration Better fuel economy and lower emissions Best OEM Iridium spark plug available OEM-approved design

M135 M235 335 435 M2 M3 M4

NGK Laser Iridium spark plugs provide superior ignitability and long service life. Fine wire iridium tipped center electrode and fine wire platinum tipped ground electrode ensures slow wear rate providing stable idle, superior anti fouling, improved fuel efficiency and lower emissions. Trivalent metal plating provides superior anti-corrosion and anti-seizing properties Corrugated ribs prevent flashover Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer Copper core aids in heat removal Triple seals prevent leakage Shell Thread Size: 12mm Thread Pitch: 1.25mm Seat Type: Gasket Reach: 26.5mm (1.04") Hex Size: 14mm Bi-Hex Terminal Type: Solid Overall Height: ISO Gap: .031" (0.8mm) Center Electrode Material: Iridium Type: Fine Wire Size: 1.0mm Projection: Extended Projection Ground Electrode Material: Platinum Type: Standard Shape: Taper Cut Torque Specs: Cast Iron: 10.8-18 lb. ft. Aluminum: 10.8-14.5 lb. ft. Brand: NGK Heat Range: 8 Features: Special Gasket Resistor: Yes

SILZKBR8D 8S SILZKBR8D-8S SILZKBR8 D8S SILZKBR8-D8S SILZKBR8D8S SILZKBR8 D 8 S

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