Nissan RB/SR Idle Air Control (IACV) Block off Plates racegrade replacement lines and hardware or

replacement lines and hardware or requiring modification of factory components we decided to make our oil cooler a true bolt in affair

as its "Sealed Structure" components cannot be disassembled

We evolved the existing preload valve system to the dual preload valve system to suppress the generation of unnecessary damping force during higher piston speeds

To further enhance performance and longevity

1 Bar (16 psi) radiator cap

Nissan RB/SR Idle Air Control (IACV) Block off Plates racegrade replacement lines and hardware orThese plates can be used to eliminate the IACV (Idle Air Control Valve) on Nissan RB and SR engines. Mostly used in DBW applications but these can also be used if someone simply wishes to remove the IACV.