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Valve Spring

GENERAL SPECIFICATIONS
Intake Valve Spring Free Length 48.514 mm (1.91 inch)
Exhaust Valve Spring Free Length 48.514 mm (1.91 inch)
Intake Valve Spring Assembled Height 40.08 - 40.87 mm (1.578 - 1.609 inch)
Exhaust Valve Spring Assembled Height 40.08 - 40.87 mm (1.578 - 1.609 inch)
Valve Spring Out of Square 1.98 mm (0.078 inch)
Intake Valve Spring Compression Pressure at Specified Height
Standard Value 347-383 Nm 39.86-40.4 mm 256-282 ft. lbs. at 1.56-1.59 inch
Exhaust Valve Spring Compression Pressure at Specified Height
Standard Value 347-383 Nm 39.86-40.4 mm 256-282 ft. lbs. at 1.56-1.59 inch
Tappet Gap Allowable [a] 1.803-4.343 mm (0.071-0.171 inch)
Tappet Gap Desired [a] 2.311-3.385 mm (0.091-0.151 inch)


[a] Measured at valve stem with hydraulic lifter collapsed