RB25DET NVCS Springs | Titanium Retainers KVS25R-T ej25 The Dual Port can be

The Dual Port can be configured as a Supersonic

430" lift - Formula Junior single seater cam (between A6 & A8)

(Note this kit will only fit the OEM style rocker cover)

More top end power than the EZ

2 x Frequency Inputs (Advanced Wastegate Position Encoder)

RB25DET NVCS Springs | Titanium Retainers KVS25R-T ej25 The Dual Port can beNOT suitable for NON VCT or Neo Head. Those heads require the KVS20 kit 83lb seat pressure at 30. 40mm installed height. 10. 50mm maximum lift. Nissan RB25DET (with NVCS). High performance valve springs with Titanium retainers. \nIncludes 24 springs, 24 retainers and 12 spring bases for the exhaust side to even up the install heights. \nIntake: 83lb seat pressure at 30. 40mm installed height. \nExhaust: 80lb seat pressure at 30. 65mm installed height.