Nissan RB25 & RB30 Harmonic Crankshaft Balancer Bolt interior/exterior however tuning & recalibration is

however tuning & recalibration is likely required

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our conclusion is that only 3 out of the 4 runners reach the collector and 2 of the runners meet just before the turbo flange area

Its staged operation ensures enough air is recirculated back through the intake to keep the ECU happy and ensure quiet operation at low boost while maintaining the performance and sound of a vent-to-atmosphere blow-off valve

Nissan RB25 & RB30 Harmonic Crankshaft Balancer Bolt interior/exterior however tuning & recalibration isPart number: ARP NIS RB25 RB30 HAR BAL BOLT Replaces the factory hardware on Nissan RB25 and RB30 engines M16 x 1. 5. ARP 2000 hardware provides a more secure torque with far more durability than factory hardware. Compatible with both aftermarket and factory balancers.