NGK Standard spark plug 7421 - Read Reviews on NGK #7421

NGK Non Automotive Spark Plug

Part Number: 7421
Features & Benefits

Corrugated ribs to prevent flashover. High dielectric strength, proper heat transfer, eliminates combustion gas leakage, greater spark and heat transfer, better anti-fouling, corrosion resistant.

Product Details
Part Number: 7421
Weight: 0.08lbs
Spark Plug
14 mm. Thread Size
3/4 in. Drive Size
Thread Size: 14 mm.
Resistor: Yes
Heat Range: 6
Center Electrode Material: Nickel Alloy
Number of Electrodes: 1
Insulator Type: Ceramic
Ground Electrode Material: Nickel alloy
Thread Reach: 3/8 in. (9.50 mm.)
Seat Type: Gasket
Shipping Information: Overnight and Two Day shipping are not available for PO Box, APO/FPO/DPO or US Territory addresses.
  • Overall

    NGK Standard spark plug


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