Plug Type	Thread Size	Wrench Size	Heat Range	Product Name	Part Number	Retail Price (£+VAT)
JIS Type	φ14x19mm	16mm	NGK7 equivalent	SUPER FIRE RACING M35	50003-M35	£15.50
			NGK8 equivalent	SUPER FIRE RACING M40	50003-M40	£15.50
			NGK9 equivalent	SUPER FIRE RACING M45	50003-M45	£15.50
ISO Type	φ14x19mm	16mm	NGK7 equivalent	SUPER FIRE RACING M35i	50003-M35-I	£15.50
			NGK8 equivalent	SUPER FIRE RACING M40i	50003-M40-I	£15.50
			NGK9 equivalent	SUPER FIRE RACING M45i	50003-M45-I	£15.50
G Type	φ14x19mm	20.8mm	NGK7 equivalent	SUPER FIRE RACING M35G	50003-M35G	£15.50
			NGK8 equivalent	SUPER FIRE RACING M40G	50003-M40G	£15.50
			NGK9 equivalent	SUPER FIRE RACING M45G	50003-M45G	£15.50
X Type	φ12x19mm	16mm	NGK8 equivalent	SUPER FIRE RACING M40X	50003-M40X	£ENQUIRE
			NGK9 equivalent	SUPER FIRE RACING M45X	50003-M45X	£ENQUIRE
XL Type	φ12x26.5mm	16mm	NGK8 equivalent	SUPER FIRE RACING M40XL	50003-M40-XL	£18.50
			NGK9 equivalent	SUPER FIRE RACING M45XL	50003-M45-XL	£18.50
Long Reach Type	φ14x26.5mm	16mm	NGK7 equivalent	SUPER FIRE RACING M35iL	50003-M35-IL	£15.50
			NGK8 equivalent	SUPER FIRE RACING M40iL	50003-M40-IL	£15.50
			NGK9 equivalent	SUPER FIRE RACING M45iL	50003-M45-IL	£16.00
HL Type	φ12x26.5mm	14mm	NGK8 equivalent	SUPER FIRE RACING M40HL	50003-M40-HL	£18.50
			NGK9 equivalent	SUPER FIRE RACING M45HL	50003-M45-HL	£18.50
Mazda Conical Seat Long Reach Type	φ14x25mm	16mm	NGK7 equivalent	SUPER FIRE RACING M35LF	50003-M35-LF	£18.50
			NGK8 equivalent	SUPER FIRE RACING M40LF	50003-M40-LF	£18.50
RE Type	φ14x12.7mm	20.8mm	NGK9 equivalent	SUPER FIRE RACING M45RE	50003-M45RE	£28.50
			NGK10 equivalent	SUPER FIRE RACING M50RE	50003-M50RE	£26.50
			NGK10.5 equivalent	SUPER FIRE RACING M52RE	50003-M52RE	£ENQUIRE
			NGK11 equivalent	SUPER FIRE RACING M55RE	50003-M55RE	£26.50
RE Type (RX-8)	φ14x21mm	20.8mm	NGK9 equivalent	SUPER FIRE RACING M45REL	50003-M45REL	£39.50
	φ14x19mm		NGK11 equivalent	SUPER FIRE RACING M55RET	50003-M55RET	£39.50
*PLEASE CONTACT YOUR LOCAL DEALER FOR SPECIFIC VEHICLE APPLICATION INFORMATION.