Valve Spring Inner and Outer OEM 240Z 260Z 280Z 280ZX 510

One new OEM genuine Nissan valve spring for Datsun 240Z, 260Z, 280Z, 280ZX and 510 1968-83. Will work on "L" series engines, 4 and 6 cylinder.  Each valve has an inner and outer valve spring. Choose from inner or outer spring, sold individually.

Dual Spring Specs:

# @ 40mm installed height: 80#

# @ 30mm height: 170#

Coil bind at 26.4mm height (.535" lift from installed height to bind)

*See PT# 650-123 for aftermarket valve springs.