The Brian Crower Subaru EJ257B Stage 3 Dual AVCS cams have a longer duration profile and added rpm potential. Intended for a fully built engine.
Tuning and ECU modifications are recommended. These cams require the upgraded valve spring/retainer kit .
Stage 3 Race Specification:
- Advance / Duration: 280/280
- Duration @ .050: 234/234
- Lift (in): .425"/.425"
- Lift (mm): 10.80/10.80
Stock USDM EJ257 Specification:
- Advance / Duration: 256/256
- Duration @ .050: 204/208
- Lift (in): .378"/.385"
- Lift (mm): 9.60/9.78
Note:
- Dual-AVCS camshafts for EJ257B ONLY
- WILL NOT WORK for Single or Non-AVCS EJ-Series Engines.
- Upgraded Springs & Retainers are highly recommended!
Fitment:
2008-2021 Subaru STI & Type-RA - EJ257B