HKS RB26 V-CAM System Step 1 w/o Valcon Controller | Nissan Skyline GT-R (89-02) (22007-AN020)The intake cam side of the RB26DETT is changed to allow variable valve timing. The cam has duration of 248 degrees which seem a little conservative. However, with the variable timing, power increases can be found at low or high RPM. Whether you are looking to find some time on the circuit through improve acceleration out of lower speed corners, or simply want something which can overtake with ease on the street, the HKS V Cam System provides good