Brand: HKS
Product: Super Fire Racing Spark Plug M-HL Series - NGK8
Part Number: 50003-M40HL
SPECIFICATIONS:
Plug Type: HL
Thread Size: 12 mm
Thread Reach: 26.5 mm
Hex Size: 14 mm
Suitable: GTR35, Z34
This plugs are recommended for reliable ignition, durability and anti-carbon buildup under high load. This are the Ultimate spark plug for increasing performance of tuned or stock engines.