RB25DET NVCS Spring Set

KVS25R - 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.

KVS25R-T - High performance Nissan RB25 valve springs with Titanium retainers.
Includes 24 springs, 24 retainers and 12 spring bases for the exhaust side to even up the install heights.

• Intake: 83lb seat pressure at 30.40mm installed height.
• Exhaust: 80lb seat pressure at 30.65mm installed height.
• 10.50mm maximum lift.