Valve Spring: Specifications

GENERAL SPECIFICATIONS
Valve Spring Compression Pressure - Specified Height
Intake 71-79 Lbs. @ 1.833 (a) 206-220 Lbs. @ 1.352
Exhaust 71-79 Lbs. @ 1.833 (a) 206-220 Lbs. @ 1.352
Valve Spring Free Length (Approximate)
Intake 52.70 mm ± 3.8 mm (2.075 ± 0.150 inch)
Exhaust 52.70 mm ± 3.8 mm (2.075 ± 0.150 inch)
Valve Spring Assembled Height
Intake 44.881 mm (1.767 inch)
Exhaust 46.558 mm (1.833 inch)
Valve Spring Out of Square Maximum 1.981 mm (0.078 inch)

a Service limit - ± 8 lbs.