Ross Performance Parts Nissan RB20DET / RB25NEO Air Conditioner Relocation Kit with Race Series Harmonic Damper & Integrated 12T Crank Trigger:

High-performance Race Series Harmonic Damper with Integrated 12 Tooth Crank Trigger Disc
Rated for 1000hp
Water pump & Alternator pulley’s under-driven for protection at high rpm
RB20DET / RB25NEO Air Conditioner Pulley (Crank) (306500-45)
Billet bracket required to relocate A/C compressor
Billet bracket required to relocate power steering pump

Note; this increases the overall damper length – refer to technical diagram for more information.
Ross Performance Parts Nissan RB20DET / RB25NEO Air Conditioner Relocation Kit with Race Series Harmonic Damper & Integrated 12T Crank Trigger:

High-performance Race Series Harmonic Damper with Integrated 12 Tooth Crank Trigger Disc
Rated for 1000hp
Water pump & Alternator pulley’s under-driven for protection at high rpm
RB20DET / RB25NEO Air Conditioner Pulley (Crank) (306500-45)
Billet bracket required to relocate A/C compressor
Billet bracket required to relocate power steering pump

Note; this increases the overall damper length – refer to technical diagram for more information.