Bosch Iridium Spark Plug 9603
  • Thumbnail  Bosch Iridium Spark Plug 9603
  • Thumbnail  Bosch Iridium Spark Plug 9603
  • Thumbnail  Bosch Iridium Spark Plug 9603

Bosch Iridium Spark Plug 9603

Bosch
256738
#9603
Notes: Double iridium. Gap is pre-set. Do not gap.

$749
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PRODUCT SPECIFICATIONS

Part #9603
WEIGHT0.12lbs
NotesDouble iridium, Gap is pre-set. Do not gap.
Seat StyleGasket
Metal TypeIridium
Gap - Factory Preset1.1 mm = 0.044 in
Reach (in)0.748
Insulator TypeProjected
Short StyleNo
Thread Size19 mm
Drive Size16mm
Spark Plug Type4-Cycle
Center Electrode Tip MaterialIridium
Insulator MaterialCeramic
Ground Electrode Tip MaterialNickel-Yttrium and Iridium
Manufacturer Heat Range Number7
Package Quantity1
ResistorYes

PRODUCT DESCRIPTION

The only iridium spark plug line engineered for both high performance and long life. The laser welded iridium tipped center and ground electrodes (Double iridium) provide exceptionally long life.

  • checkmark4x longer service life vs standard copper spark plugs
  • checkmarkUltra fine wire iridium center electrode requires less voltage to fire delivering exceptional ignitability
  • checkmarkFactory set pre-gap ensures ease of installation
  • checkmarkBOSCH exclusive tapered laser-welded iridium alloy tipped ground electrode delivers the ultimate in high performance