Maruha Adjustable Cam Gear — NB1 Intake · 1.8L Non-VVT (Each)
Maruha's NB1-specific adjustable cam gear for the intake side only — released in 2021 with an important design update: compatible with the OEM crank pickup trigger, which means it works correctly with factory and aftermarket ECUs without requiring trigger wheel modification. A significant engineering detail that cheaper adjustable gears often overlook.
Specifications:
NB1 intake side only — 1.8L Non-VVT BP-ZE engine
Compatible with OEM crank pickup trigger — no trigger wheel modification required
2021 release — updated design for improved ECU compatibility
Adjustable timing range for cam advance and retard optimization
Sold individually
Fitment: NB1 Miata 1998–2000 · Mazdaspeed Miata intake side · 1.8L BP-ZE Non-VVT only.
Made in Japan. Authorized Maruha import by Chikara Motorsports — North America's only official Maruha dealer.
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