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NGK Spark Plugs 4549 CR7HSA Standard Copper Core Spark Plug 4-Pack

(Honda XR80R 1985-2003, CRF100F 2004-09, 2011, CRF80F 2004-09, 2011, TRX90 Sportrax 1993-2006, CB125TT 1990, NSF100 2006, P50 1968 + 40 more models)

Manufacturer

Part Number

4549
Sale Price

$4.24

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The NGK CR7HSA spark plug (part number 4549) is a standard copper core spark plug trusted by automotive, motorcycle, and marine engine manufacturers worldwide. This 4-pack delivers reliable ignition performance with NGK's proven design and quality construction.

Key Features:

  • Solid copper core for superior heat dissipation and conductivity
  • Triple gasket sealing process eliminates gas leakage past the shell
  • 99% highly pure alumina silicate ceramic insulator for electrical insulation and thermal conductivity
  • Corrugated ribs prevent flashover and misfires
  • Cold rolled threads prevent damage to cylinder head during installation
  • Trivalent plating with silver chromate and zinc provides excellent corrosion resistance
  • Exclusive electrode design ensures fast starts and peak performance

The CR7HSA is engineered for long service life and consistent performance across a wide range of powersports and small engine applications. Each spark plug features NGK's precision manufacturing standards to deliver the quality OEM manufacturers demand.

Note: Sold in standard 4-pack configuration only.

Products specifications

Fits

Honda XR80R 1985-2003, CRF100F 2004-09, 2011, CRF80F 2004-09, 2011, TRX90 Sportrax 1993-2006, CB125TT 1990, NSF100 2006, P50 1968, TRX90EX Sportrax 2007-08, TRX90X 2009, 2012-14, XR80 1982-84; Yamaha TTR125 2000-04 + 36 more models

Stock Number

4549

Part Number

CR7HSA

Manufacturer Heat Range

7

Ground Electrode Core Material

Nickel

Seat Type

FLAT

Center Electrode Tip Material

Nickel

Ground Electrode Quantity

1

Electrical Terminal Type

Stud

Pre-Gap Size

.028

Hex Size

5/8

Ground Configuration

Standard

Center Electrode Core Material

Copper

Ground Electrode Tip Design

Standard

Insulator Height

50.00

Resistance

5000

Reach

.5

Thread Diameter

10.00

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