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Valve Spring
Valve Spring Free height
46.52 mm (1.8315 in.)
Pressure N (kg, lb) at height mm (in)
Standard
184 - 208 (18.8 - 21.2, 41.4 - 46.8) at 37.0 (1.457)
Limit
407 - 459 (41.5 - 46.8, 91.5 - 1 03.2) at 28.2 (1.110)
Out-of-square
Less than 2.0 mm (0.079 in.)