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Small Engine Spark Plug

Champion L4J L5 Brush Cutter Spark Plug Nickel Copper Electrode 0.8mm Gap

B7HS Denso W22FS-U Brush Cutter Spark Plug Nickel Copper Electrode M14x1.25 Thread Gasket Seat Type


Item No

Brand: TAKUMI

Thread: M14*1.25

Reach: 12.7mm

Hex: 20.8mm

Seat Type: Flat

Gap: 1.1mm

Heat Range : 7

Electrode Type: J type

Resistor or not : Non Resistor

Material : Copper Core Electrode


Apply For:Small EngineFit For:B7HS Denso W22FS-U Brisk N14C N15C L4J L5 L78
Electode:J TypeThread:M14x1.25
Hex:20.8 MmReach:12.7 Mm
Heat Range:7Resistor:Yes
Gap:0.8mmElectrode Materical:Nickel


ModelE7TC
Thread SizeM14x1.25
Reach12.7mm (1/2”)
Hex13/16" (20.8mm)
Seat TypeGasket
Gap0.8mm
Heat Range7
Electrode TypeJ Type
ResistorNon-Resistor
Center Electrode MatericalNickel Copper
Ground Electrode MaterialNickel


What is spark plug:

A spark plug is a device used in an internal combustion engine — that is, an engine that derives its power via exploding gases inside a combustion chamber — to ignite the air-fuel mixture.

Cars typically have four-stroke gasoline engines, which means there are four strokes, or movements, to the moving parts inside the engine per rotation. Inside each cylinder is a piston, which moves up and down within the cylinder to compress the gas for combustion, and pushes the exhaust gases out after combustion. The piston is operated by an arm that attaches to the crankshaft, a shaft that extends through the bottom of the engine. The piston goes up and down twice during each rotation, hence the four strokes -- up, down, up, down.

The spark plug is positioned at the top of the cylinder, where the air-fuel ratio is compressed. The tip of the plug sits inside the engine, recessed into the side of the cylinder wall. The other end remains outside the engine and is attached to a wire that is also attached to the distributor


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