Valve Spring: Specifications

NOTE: Specifications are for intake and exhaust unless noted.

Compression Pressure @ Height [1]
Valve Open: 979 N (220 lbs.) 30.0 mm (1.18 inch)
Valve Closed: 375 N (85 lbs.) 41.9 mm (1.65 inch)
Service Limit
Pressure Loss @ Specified Height 10%

[1] Without damper.