The NGK Racing R5671A-9 spark plug is designed for extreme use and conceived to withstand the most grueling racing conditions. The center electrode is made of a conventional nickel alloy with a V-groove design, ensuring consistent performance. NGK employs OE ceramic technology, using high-grade alumina silicate ceramic to create a more robust insulator and achieve optimal dielectric performance.
PRODUCT FEATURES
Solid copper core: The 98% pure copper core offers superior heat dissipation, high conductivity, and extremely wide heat ranges.
Cold-rolled threads: Prevents thread stripping and damage to the cylinder head during installation.
Trivalent metal plating: Provides superior anti-corrosion and anti-seize properties, ensuring ease of installation and removal.
Applications: NGK Racing spark plugs are used in various motorsport disciplines worldwide; they are specifically designed for high-RPM, high-compression racing engines.
TECHNICAL SPECIFICATIONS
Spark plug code: R5671A-9
Core material: Copper (with nickel alloy tip)
Heat range: 9
Thread size: M14
Thread length (Reach): 19 mm (0.750")
Hex size: 5/8" (16 mm)
Pre-set gap: 0.80 mm (0.032")
Resistor: No
Ground electrode: 1 nickel electrode
Insulator height: 50 mm
Terminal type: Non-removable nut (fixed)
Recommended use: For racing use only
WARNING
All GMC Racing items that result in power increases beyond those permitted by the user's country road regulations are intended exclusively for competitive use. GMC Racing declines all responsibility for any use of the product contrary to national regulations.
