High Performance Valve Springs
68lb seat pressure at 32.6mm installed height using OEM retainer and base. 166lb at 11.5mm lift. Maximum lift is 13.0mm.
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Drop-in PACALOY high-performance single valve spring set. Use with OEM retainers and spring base.
80lb seat pressure at 39.10mm installed height. Coil bind at 24.00mm.
NISSAN VK56DE-(T) Valve Spring Set
70lb seat pressure at 31.50mm installed height. 165lb @ 21.50mm open height. Coil bind 19.00mm. Maximum valve lift is 11.50mm.
Nissan VQ35DE-(T) Premium Beehive Valve Springs