The WSRD Stage 4 Camshaft by BC Racing is only intended for €œfully built€� engines with larger turbo(s), CNC ported cylinder head, MoTeC or equivalent ECU, etc... This will require the BC Race Duner or Drag valve spring & retainer kit. WSRD ECU tuning, cylinder head work, intake/exhaust are mandatory for optimal gains.
| Adv Dur (.020") | 286°/286° |
| Dur @ .050 | 230°/230° |
| Valve Lift (1:1) | .370"/.370" |
| Valve Lift (mm) | 9.40/9.40 |