Denso IUF27A 5385 Spark Plug

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Rating

4.0 / 5 Overall
Denso	IUF27A
Brand	Code
4.0 / 5 Materials
Copper	Iridium
Ground electrode	Center electrode
4.0 / 5 Design
Low-Angled	Fine Wire
Ground type	Center type

Specifications

0.9mm (.035")	27
Gap	Heat range
⌀10mm	1mm
Thread diameter	Thread pitch
12.7mm (1/2")	16mm (5/8")
Reach	Hex size
Gasket	Removable Nut
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

Cross-reference (1)

Alternative spark plugs found in cross-reference docs provided by manufacturers

R0161-9

Copper

3.2/ 5

.024"12.7mm, ⌀10x1HR 9

One step colder (1)

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

IUF31A

Copper-Iridium

-

4.0/ 5

.035"12.7mm, ⌀10x1HR 31