Bosch 242135517 VR7SI332S Spark Plug

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Rating

4.5 / 5 Overall
Bosch	242135517
Brand	Code
5.0 / 5 Materials
Iridium	Iridium
Ground electrode	Center electrode
3.5 / 5 Design
Standard	Fine Wire
Ground type	Center type

Specifications

0.7mm (.028")	8
Gap	Heat range
⌀12mm	1.25mm
Thread diameter	Thread pitch
26.5mm (1.04")	14mm (9/16")
Reach	Hex size
Gasket	Solid
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

Bigger gap (1)

0.1..0.3 mm gap increase for better performance given your ignition system can handle it

242129512

Copper-Iridium

3.8/ 5

.035"26.5mm, ⌀12x1.25HR 8

One step colder (2)

Colder spark plugs with same characteristics for moderately tuned engines (75–100 hp increase)

VR6NII33S

Iridium

-

4.5/ 5

.028"26.5mm, ⌀12x1.25HR 6

ZR7SI332S

Iridium

-

4.5/ 5

.028"26.5mm, ⌀12x1.25HR 7