Upgrade Your RB with Proven R35 GTR Coil Technology
Designed for RB20DET, RB25DET (Non-NEO) and RB26DETT engines, our billet adapter kit makes it easy to upgrade to genuine Hitachi R35 GTR ignition coils. This proven setup delivers stronger spark, improved reliability, and long-term durability—solving common ignition issues found in aging factory coils.
Key Features
- Proven R35 GTR ignition performance – stronger, more consistent spark for smoother running and improved tuning potential.
- Billet aluminium adapter – lightweight 6061-T6 construction, engineered to last.
- OEM Hitachi coils included – trusted factory quality, not cheap knock-offs.
- Clean factory fitment – works under RB20 and RB25 coil covers; retains original coil height.
- Custom finish – available in Black, Blue, Purple, or Red to suit your build.
Available Options
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Complete kit with wiring harness and genuine Hitachi R35 coils
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Billet adapter only (available separately)
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Choice of finishes: Black, Blue, Purple, or Red
Trusted by RB enthusiasts worldwide—built to perform, built to last.
The billet adapter is available on its own here.
