Nissan RB20DET RB25DET Exhaust Valve Guide x 12 VG237-EX-12 intercooler All gears are surface ground

All gears are surface ground to perfection then isotropic polished to a near mirror finish

All threads are rolled and we guarantee the ultimate in quality

that could be the difference between making an extra 100hp or ending up with a blown engine which comes with belt stretch as well as the benefits that come with moving away from the OEM CAS which has several inherent problems including old and outdated electronics

264°/272° | 9

Primary & Secondary lobe specifications are: Intake 270 & 262 / Exhaust 270 & 262 Degrees advertised duration

Nissan RB20DET RB25DET Exhaust Valve Guide x 12 VG237-EX-12 intercooler All gears are surface groundOD: 10. 02mm. ID: 5. 95mm. Exhaust valve guide for Nissan RB20DET and RB25DET. OD: 10. 02mm. ID: 5. 95mm. Set of 12. \nHigh quality precision machined. Made from our own proprietary Manganese Bronze. All guides need honing after fitment.