RB - HKS type BOV Adapter PremiumEvo Now featuring Knock Control

Now featuring Knock Control

34mm inside diameter

- Nissan Bluebird U13 (With Cruise Control) 91-95

- Precision closed loop cam control (four cam

69 1993-on

RB - HKS type BOV Adapter PremiumEvo Now featuring Knock ControlBlow off valve adapter HKS SSQV to Nissan RB On a factory turbo Nissan RB engines they have a pipe that runs from the throttle body and of the pipe has the factory blow off valve on it. To run an aftermarket blow off valve you need this adaptor to go onto that pipe and you place the aftermarket blow off valve onto this flange adapter. Easy modification to do yourself and a essential part of getting that awesome blow off valve sound! Will fit genuine