PRP V2 Race Series Plus Ignition Timing Kit - Nissan RB20/RB25/RB26Gen Next (Rev2) RB Ignition Timing Kit Fits the following twin cam RB Cylinder Heads: RB20 RB25 RB25 NEO RB26. (RB Bottom end type is not affected, ie Rd28 or RB30) PLEASE NOTE: if you would like to mix and match a ignition timing kit from all of our options, then CLICK HERE for our 'CUSTOM' ignition timing kit listing. Designed for applications up to a recommended 1000whp, this Platinum Racing Products ' V2 Race Series Plus ' ignition timing kit is a