Automotive

NGK (7791) R0409B-8 Motorcycle Racing Spark Plug, Single

Name: NGK (7791) R0409B-8 Motorcycle Racing Spark Plug, Single
SKU: B001RMA21C
Rating: 4.3 (31 reviews)

Automotive4.3· 31 Amazon ratings

Bias-adjusted across 31 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Automotive.

41.1%

Percentile · Global

43.3%

Percentile · Cohort

Automotive

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NGK (7791) R0409B-8 Motorcycle Racing Spark Plug, Single

How the score was built

Amazon ratings: 31
Raw star average: 4.3 / 5
Bayesian avg: 4.29

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Same category · Automotive

NGK (7791) R0409B-8 Motorcycle Racing Spark Plug, Single

How the score was built

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