Kelford extreme beehive valve spring kit for the most powerful Nissan GT-R VR38DETT builds. A high-frequency design in silicon-chrome spring steel reduces spring surge at high RPM under high boost.

• Part number: KVS38-X
• 130 lb seat pressure @ 34.60mm installed height
• 250 lb @ 11.0mm valve lift
• Coil bind: 22.0mm
• Includes 24 springs, 24 titanium retainers, 12 intake spring seats and 12 exhaust spring seats
• Install the 1mm seat on the exhaust side and the 4mm seat on the intake side

Shipping: $25 flat rate. Ships to the contiguous United States only.