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Valve Spring

WARNING: This page is about a different car, the 2019 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
DESCRIPTION SPECIFICATION
Metric Standard
Spring Force (valve closed) 435.0 N +/- 22.0 N @ 45 mm 97.8 lbs +/- 5.0 lbs. @ 1.771 in.
Spring Force (valve open) 1077.0 N +/- 48.0 N @ 32.6 mm. 242.0 lbs. +/- 11 lbs. @ 1.283 in.
Free Length (approx). 55.6 mm 2.189 in.
Number of Coils 7.95
Wire Diameter 4.95 X 4.1 mm 0.194 - 0.161 in.
Installed Height (spring seat to bottom of retainer) 46.0 mm 1.81 in.