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Kelford Cams recommend KVS11-BT valve spring upgrade
85mm installed height using the OEM spring base
CAN Bus Position Demand Target
38mm Valve Lift - Stage 1 drop-in cams for turbocharged or naturally aspirated engines
Nissan RB25DET NVCS Race Spring Set KVS25R Dress Up Kelford Cams recommend KVS11-BT valve83lb at 30. 40mm installed height. 10. 50mm max lift. NISSAN RB25DET with NVCS. High performance single valve spring set. Includes 24 springs and 12 spring bases for the exhaust side to even up the install heights. 83lb at 30. 40mm installed height on intake, 80lb at 30. 65mm on the exhaust. 10. 50mm maximum lift.
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