Brian Crower Honda/Acura B18A/B18B/B20B 31mm Intake Valves

Brian Crower Honda/Acura B18A/B18B/B20B 31mm Intake Valves

Marsoni

M251S

$197.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Brian Crower Honda/Acura B18A/B18B/B20B 31mm Intake ValvesSKU: BC3020 Brian Crower Honda Acura B18A B18B B20B 31mm Intake Valves BC valves are one piece design with a friction welded Stellite tip for the best possible performance. Every valve is made from premium grade, heat resistant stainless steel material to insure reliability with high boost and or high rpm applications. The undercut stem above the head area not only reduces overall weight for extended rpm potential, but also significantly improves air

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Just installed in a 2006 4Runner. Can’t speak to exact filter partials or longevity, but what I can’t say is that it fits very well and looks to be made very well. It actually fits better than the Bosh filters I normally use. Has a nice foam seal around all 4 edges and fits in the tray perfectly. Seem to be a nice option. So if you have a 03-09 4Runner it’s going to work well. Here’s some pictures of this filter (the blue one) next to a Bosh filter I removed. Also a picture with it in the factory tray.

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Reviewed in the United States on March 1, 2026