Coil Conversion Kit "RB to R35 GTR" [Coil Type: Hitachi]. R35 GTR Ignition Coil Pack Conversion Kit for RB20, RB25 & RB26 motors. (Will not fit NEO motors) Looking for an upgraded coil pack for your RB? Then look no further, the R35 GTR coils can support 250hp+ per coil, that's 1500hp+ capable! Our kit is a bolt on kit and comes with everything needed to install. Our kit even allows you to keep your coil pack cover installed. The bracket is machined from 6061-T6 aluminium for strength and anodised gloss black to protect against corosion. All bolts and washers are stainless steel. ...