Pay in installments of $21.65 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 26 - Aug 31
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
NGK Ruthenium HX Spark Plug Box of 4 (LFR6AHX-S)Experience superior ignition performance with the NGK Ruthenium HX Spark Plug, designed for enthusiasts and professionals alike. This pack includes four high quality spark plugs, model LFR6AHX S, known for exceptional durability and consistent spark delivery. NGK's Ruthenium HX technology ensures enhanced ignitability and longer lifespan compared to conventional plugs. The advanced ruthenium center electrode offers excellent erosion resistance,
Experience superior ignition performance with the NGK Ruthenium HX Spark Plug, designed for enthusiasts and professionals alike. This pack includes four high-quality spark plugs, model LFR6AHX-S, known for exceptional durability and consistent spark delivery.NGK's Ruthenium HX technology ensures enhanced ignitability and longer lifespan compared to conventional plugs. The advanced ruthenium center electrode offers excellent erosion resistance, contributing to improved engine performance and fuel efficiency.
Perfectly suited for a wide range of applications, these spark plugs deliver optimal combustion, helping your engine run smoother with reduced emissions. Whether you're upgrading your vehicle or maintaining a high-performance machine, these plugs provide reliable starts every time.
Backed by NGK's trusted brand heritage, this package of four spark plugs ensures you have the components needed for a complete ignition system refresh or upgrade. Invest in quality, durability, and performance with the NGK Ruthenium HX Spark Plug Box of 4.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 12 reviews
Sort
Product Reviews
★★★★★ 5
Good stuff, fair price.
Configuration: 4-Stroke, Size: 1 GA
Great full synthetic marine oil at a very fair price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 12, 2025
★★★★★ 5
Top notch.
Configuration: 2-Stroke, Size: 1 GA, Case of 3
It’s Valvoline so it’s quality. Very little smoke and a smooth running outboard.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 4, 2026
★★★★★ 5
works perfect
Configuration: 4-Stroke, Size: 1 GA
i bought to maintain mowers
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 28, 2025
★★★★★ 5
good value
Configuration: 4-Stroke, Size: 1 GA
good value and marine rating on the lable
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
★★★★★ 5
Will buy again!
Configuration: 4-Stroke, Size: 1 GA, Configuration: 4-Stroke, Size: 1 GA
This is my second time using this oil to service my 2022 Mercury 90 outboard. Excellent oil! Engine runs extremely smooth. The jug was very easy to pour from. No smoke from the engine.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 18, 2026