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NGK Racing Spark Plugs (8) for 1998 K2500 5.0 | 2.5 Steps ColderNGK R5671A 8 8P GK2598 50 Qty: 8 plugs 554: Non Resistor Center Electrode Core Material: Copper Core Center Electrode Tip Material: Nickel w V groove Gap Size: 0. 032 Ground Configuration: Standard Ground Electrode Core Material: Nickel Core Ground Electrode Quantity: 1 Ground Electrode Tip Design: Standard Hex Size: 5 8 inch Insulator Height: 50. 50mm Manufacturer Heat Range: 8 Reach: 0. 75 Resistance: 1 Ohms Seat Type: Flat Thread Diameter: 14. 00 mm
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4.5 ★★★★★
Based on 2230 reviews
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Product Reviews
★★★★★ 5
Great Book for Studying to Take the NCLEX
Format: Paperback
Excellent!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 8, 2026
★★★★★ 5
Easy to study and understand
Format: Paperback
This book is easy to read and i tend to recall information better after reading it. It breaks down topics and focused on the important information or a must to know for NCLEX. I will recommend this book to anyone taking NCLEX.
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Reviewed in the United States on January 9, 2026
★★★★★ 4
Great book!
Format: Paperback, Format: Paperback
I am still in nursing school- but I like to try read and gain knowledge ahead of time. I do this so that with upcoming semesters, the concepts are not completely foreign to me and I’m not blindsided by new topics. I have been following a lot of the YouTube videos with Mark and Dr. Sharon and have found them very educational even while in nursing school. I purchased this book and I really am happy with it. I was hoping it would have offer more info in it , maybe some more facts here and there but it’s basically an answer bank. It does have some small facts but they are not in depth at all- just mainly recall information. It really is based off just past memory from your education. For me personally, I find this book pretty useful to have if you feel confident in all topics- and plan to go for your NCLEX..however, if you’re still a bit rusty on some topics, you won’t really be able to rely solely on this book to brush up on information- not in a manner of depth (which I guess is the point). I think applying his lectures, listening to their YouTube videos and applying this book would make the ultimate go-to. The book alone is wonderful- but it’s simply just answer banks to help recall the info. Which is great if you’re looking for strictly recall.
I was fortunate enough to find his lectures on Reddit along with some of the “yellow pages” from other students. I can apply that with this book and be confident in upcoming tests , as his lectures are incredible.
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Reviewed in the United States on April 28, 2026
★★★★★ 5
The Blue Book
Format: Paperback
I am sooooooo happy I bought this book!! It breaks down nursing into easy understandable language. Certain things I was struggling with like ABG’s and acid base balance, this book makes it easy to understand. Thank you Mark Klimek!
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Reviewed in the United States on June 2, 2026
★★★★★ 5
passing Nclex RN
Format: Paperback
i used this book the last 2 weeks before writing Nclex. i passed due to this book for final review! watching videos online together with this gives you all you need
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Reviewed in the United States on February 15, 2026
