Specification

Thread Size: M14*1.25

Reach: 26.5mm

Hex Size: 16mm

Resistor: Yes

Center Electrode Material:Iridium

Ground Electrode Material: Platinum

Cross Reference

9006

OE190

REC10WYPB4

90048-51185-000

5344

3421

IKH20

S33

SK20HR11

90919-01191

FAQ

Q1:What is the heat rating of a spark plug?

A spark plug must dissipate the heat produced by the combustion gases. The heat rating is a measure of the amount of heat dissipation.It is essential to use a spark plug with a heat rating that matches a specific engine and its condition of use.

When a wrong heat rating is selected,

When the heat rating is too high,

The spark plug temperature remains too low and causes deposits to build up on the firing end; the deposits provide an electrical leakage path that possibly cause misfire.

When the heat rating is too low,

The spark plug temperature rises too high and induces abnormal combustion (pre-ignition); this leads to melting of the spark plug electrodes that could cause problems such as piston damage.

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