GSC P-D Toyota Supra/BMW Z4 B58 / BMW M3/M4 S58 Chrome Polished Intake Valve 30.1mm Head - Single

GSC P-D Toyota Supra/BMW Z4 B58 / BMW M3/M4 S58 Chrome Polished Intake Valve 30.1mm Head - Single

Marsoni

M251S

$27.20

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

GSC P-D Toyota Supra/BMW Z4 B58 / BMW M3/M4 S58 Chrome Polished Intake Valve 30.1mm Head - SingleSKU: 2092 01 UPC: GSC2092 01 GSC P D 2019+ Toyota Supra B58 BMW Z4 B58 2021+ BMW M3 M4 S58 Chrome Polished Intake Valve 30. 1mm Head Single Engineered by GSC Power Division, this chrome polished intake valve features a 30. 1mm head diameter for Toyota Supra B58, BMW Z4 B58, and BMW M3 M4 S58 engines. It delivers improved airflow and heat management to support high boost levels and RPM. This single valve serves as a direct replacement for reliable

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The housing is 95% identical. Float valve seat is smaller than mercury/quicksilver. The carb I received was stuck wide open. Had to completely pull it apart to fix the throttle. Then the choke didn’t work correctly. So I ended up putting this housing on with all my old mercury carb parts inside. All I needed was a new float valve but they are back ordered indefinitely. So this worked because the housing is correct but that’s about it. Internals were plastic. Not metal. Jury is still out on the jet size. I’ll update if it floods the motor at speed. Seems to be running very rich. If you’re looking for easy, I’d buy the quicksilver that’s tuned for the motor already. The carb I received idled too fast and even if the throttle wasn’t stuck open it wouldn’t have run well with a racing choke (screams air leak because of poor quality)

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Reviewed in the United States on April 3, 2024