AEM's cam angle sensor discs are made for use with AEM programmable engine management systems and serve as a direct replacement for the factory crank angle sensor disc on RB25DET, VG-series, and some RB26 Nissan engines. Before ordering, confirm the center of the AEM CAS disc matches the stock disc in the distributor and that the hub matches the AEM Nissan CAS sensor disc.
WarrantyInstallation Instructions
Specifications:
- Works directly with AEM engine management systems
- Fitment for RB25DET and some RB26 engines
- 50mm OD
- Replaces OEM Nissan CAS disc
- Drop-in, plug-and-play design
- Part Number: 30-8761
FAQ
What engines is the 30-8761 CAS disc designed for?
It's built for RB25DET, VG-series, and some RB26 Nissan engines, replacing the factory crank/cam angle sensor disc.
Does it work with any ECU?
It's designed for use with AEM programmable engine management systems.
How do I confirm fitment before ordering?
Compare the center of the AEM CAS disc to the stock disc in your distributor and match the hub pattern to the AEM Nissan CAS sensor disc before purchasing.

