Iridium IX Spark Plug 10mm x 3/4" Reach

Name: Iridium IX Spark Plug 10mm x 3/4" Reach
Brand: NGK SPARK PLUGS
SKU: 739-CR8EIB-10
Price: 15.51 USD
Availability: InStock

^$15⁵¹

Ships on Nov 02, 2026

Lowest Price Guarantee

Medium-Cold Heat Range

10mm x 3/4" Reach
5/8" Hex (partial thread)
Resistor
Gasket seat
.040" Gap
Sold Individually

The Plug for Serious Enthusiasts

Iridium has a very high melting point that's perfect for high-performance, high-tech engines. It is stronger than any other metal used in spark plugs.

Part TypeSpark Plug

Product LineNGK Iridium IX Spark Plugs

BrandNGK SPARK PLUGS

Package Height1.0

Package Width1.0

Package Length4.0

Weight0.08 PG

Part CategoryReplacement Parts

Part FitmentDirect Fit

Vendor Part NumberCR8EIB-10

Package Qty1

Package TypeEA

Items You Need

PIT PAL

Spark Plug Holder Holds 16 4-Pack Boxes

Part Number : 777-829

^$88⁹⁹

PIT PAL

Spark Plug Holder Holds 16 4-Pack Boxes

Part Number : 777-829

^$88⁹⁹

Some parts are not legal for use in California or other states with similar laws / regulations

Iridium IX Spark Plug 10mm x 3/4" Reach

The Plug for Serious Enthusiasts

Items You Need

Spark Plug Holder Holds 16 4-Pack Boxes

Part Number : 777-829

Spark Plug Holder Holds 16 4-Pack Boxes

Part Number : 777-829

⚠️ Warning

Motor Vehicles

Tools

Electrical Cords