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Autolite-AR3910X Ar High Performance Racing Non-Resistor Spark Plug, 4-Pack

Autolite-AR3910X Ar High Performance Racing Non-Resistor Spark Plug, 4-Pack

Q: This spark plug makes my Predator - 212cc engine run very hot compared to a standard spark plug, is it normal to gain 30+ temps using this plug?

It can increase the heat of the engine if you only have stock parts, and could overheat it. I have a bigger fuel jet to let more fuel in, odd as it may seem, more gas cools the engine. These plugs burn basically all the gas that goes in, thus it will get hotter. I would recommend a larger fuel jet, mine hasn't overheated since I got one...Gives a noticeable amount more power as well (Gave my 500 pound go kart 10mph more speed). ;)

Q: Does it increase horse power

It’s more about slightly increasing compression do to plug design lowering the cc’s in the head! It’s true!

Product ID: 354766490

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Details

Brand
Autolite Ultra
Core material
Nickel
Thread size
14mm X 1.25
Top material type
Alloy Steel
Vehicle service type
Car

⚡Cut-back ground electrode for superior ignitability

🔥Large ground electrode enhances heat transfer

🛡️Anti-corrosive nickel plating for durability

Description

⚡ Ignite your engine’s full potential with race-ready spark plugs!

BUILT TO LAST - Nickel plating resists corrosion, extending spark plug lifespan
SUPERIOR HEAT MANAGEMENT - Large ground electrode dissipates heat efficiently to prevent misfires
RACE PROVEN IGNITION POWER - Trusted by professional drivers for peak performance on the track
PRECISION FIT FOR YOUR RIDE - Vehicle-specific design guarantees seamless installation and optimal performance
OPTIMIZED FLAME KERNEL IGNITION - Cut-back ground electrode ensures faster, more reliable spark

The Autolite AR3910X 4-pack high performance racing spark plugs feature a cut-back ground electrode for improved ignitability, a large ground electrode for enhanced heat transfer, and anti-corrosive nickel plating for durability. Designed for vehicle-specific fit, these spark plugs are trusted by professional drivers to deliver reliable, high-performance ignition and extended lifespan.

Have a Question? See What Others Asked

This spark plug makes my Predator - 212cc engine run very hot compared to a standard spark plug, is it normal to gain 30+ temps using this plug?

What size plug wrench does this plug take?

How much longer are these compared to NGK race plugs extened tip ?

Does it increase horse power

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