Why is there such a high price of $107.17 versus Advance Auto , $59.94 ?

Because they don’t know a hemi has 16 spark plugs or they aren’t selling you the same plugs. The NGK number is 4469

What is the Part number on the spark plug? mark

LFR5AIX-11. STOCK # 4469 I HAVE A 2015 RAM 1500 5.7L AND THEY WORK GREAT

Will they fit my 2015 ram 2500 6.4 hemi

Not sure, they fit perfect on the 5.7 hemi

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⚡ Ignite your Ram’s true potential with every spark!

BUILT TO LAST - Rugged, damage-resistant shell ensures your spark plugs maintain peak performance mile after mile.
TRUSTED NGK QUALITY - From the world leader in spark plugs, these genuine parts guarantee reliability and superior engine performance.
PERFECT FIT FOR RAM 1500 - Specifically designed for 2011-2024 Ram 1500 5.7L V8 models with a precise 0.044" gap for seamless installation.
PRECISION IGNITION POWER - Experience fewer misfires with NGK’s razor-sharp spark focus, engineered for your Ram 1500’s 5.7L V8.
OPTIMIZED COMBUSTION EFFICIENCY - Advanced center and ground electrodes deliver faster, stronger combustion that maximizes engine output.

The Sixity Auto 16 pc NGK Iridium IX Spark Plugs are precision-engineered for Ram 1500 5.7L V8 models (2011-2024). Featuring advanced iridium electrodes and a durable shell, they reduce misfires, improve ignition efficiency, and ensure long-lasting performance. Backed by NGK’s industry-leading quality, these spark plugs deliver reliable, powerful combustion for optimized engine output and reduced emissions.

Reviews

A**N

Fits All HEMI V8 Engines .. Excellent Performance

I installed these spark plugs on my Dodge Durango 2015 V8 5.7L (GCC specs), and the performance is outstanding. They are a perfect match to the factory plugs, but the results are even better. Fuel consumption has noticeably improved, acceleration feels stronger, and the engine starts up smoothly every time. Overall, the driving experience is more powerful and responsive compared to the OEM plugs.Highly recommended

23.09.2025

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VT57330

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Rajesh P.

Customer service was outstanding when I had questions about the product.

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Good experience, but the tracking updates could be better.

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Manufacturer	Sixity Auto
Brand	Sixity Auto
Product Dimensions	9.4 x 2.39 x 33.73 cm; 870.9 g
Item model number	4024123628
Manufacturer Part Number	4024123628
Item Weight	871 g

Sixity Auto 16 pc NGK Iridium IX Spark Plugs compatible with Ram 1500 5.7L V8 2011-2021

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