what is the gap preset on these spark plugs in inches?

Most Bosch Spark Plugs are factory pre-gapped for popular vehicle applications. The gap measurements are indicated either on the box, or by the part number located on the spark plug shell. X suffix = .044" Y suffix = .060" Z suffix = .080". However, it must be noted that wire-tip or needle-tip plugs can afford to have larger gaps as the spark occurs at a lower voltage if one end is pointed, leading to a wider spark and better combustion of the fuel-air mixture. Gaps should never be adjusted on the OE-Fine Wire-tipped plugs - should never be gapped by the installer. Attempts to do so might damage the plug/the delicate tip. What is more important is all the plugs should have equal gaps, or there might be engine knocking and vibrations.

Will this work for Lawnmower ?

Only if your lawn mower has a 2.2L 4 cylinder engine.

14mm socket is standard - 10mm and 12mm are less common, found in only some motorcycles. What is more important is the thread reach - too little or too much are both bad. Amazon has a nice system of selecting the vehicle and showing which plugs fit that vehicle. Bosch has a similar system at BoschAutoParts.com. Remember to NEVER gap-adjust iridium plugs.

Will this work for honda crv 2016?

Bosch 9603 does not fit the 2016 Honda CR-V. The correct Bosch spark plug for this application is 96310. Thank you for your question.

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⚡ Ignite your drive with Bosch’s double iridium spark—where longevity meets precision!

BUILT TO WITHSTAND - 360° continuous laser weld fuses iridium to base, providing unmatched corrosion resistance and durability.
PLUG PLAY SIMPLICITY - Factory pre-gapped and nickel-plated rolled threads mean no anti-seize needed—easy installation, zero hassle.
ENDURANCE THAT OUTLASTS - Double iridium electrodes deliver 4X longer lifespan than standard copper plugs, keeping your engine firing strong mile after mile.
PRECISION IGNITION POWER - Ultra-fine 0.6mm wire firing pin ensures superior ignitability and peak engine performance every start.
OPTIMIZED FOR MODERN ENGINES - OE-matched spark position perfectly compatible with Gasoline Direct Injection (GDI) technology for cutting-edge engine efficiency.

Bosch 9603 OE Fine Wire Double Iridium Spark Plug features double iridium electrodes for 4X longer service life, a 0.6mm ultra-fine wire firing pin for superior ignitability, and a 360° laser weld for enhanced corrosion resistance. Pre-gapped and designed for easy installation, it’s optimized for modern GDI engines, delivering reliable, high-performance ignition that keeps your vehicle running smoother, longer.

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Manufacturer	Bosch
Brand	Bosch
Product Dimensions	10.16 x 17.78 x 22.86 cm; 22.68 g
Item model number	9603_1
Manufacturer part number	9603
OEM Part Number	9603
Item Weight	22.7 g

BOSCH9603 OE Fine Wire Double Iridium Spark Plug - Single

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