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Home >> Nissan-Datsun >> 2008 >> Sentra SL >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Mechanical (Qr25DE)) >> Service Data And Specifications (SDS) >> Standard and Limit >> Valve >> Valve Spring

Valve Spring

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VALVE SPRING SPECIFICATIONS

Specifications Intake Exhaust
Identification color Pink Blue
Free height 43.72 - 43.92 mm (1.7213 - 1.7291 in) 45.29 - 45.49 mm (1.7831 - 1.7909 in)
Pressure standard at height 35.30 mm (1.390 in) 151 - 175 N (15.4 - 17.8 kg-f, 34 - 39 lb-f) 151 - 175 N (15.4 - 17.8 kg-f, 34 - 39 lb-f)
Squareness 1.9 mm (0.0748 in) 1.9 mm (0.0748 in)
Installation height 35.30 mm (1.390 in) 35.30 mm (1.390 in)
Installation load 151 - 175 N (15.4 - 17.8 kg-f, 34 - 39 lb-f) 151 - 175 N (15.4 - 17.8 kg-f, 34 - 39 lb-f)
Height during valve open 25.30 mm (0.996 in) 26.76 mm (1.0535 in)
Load with valve open 351 - 394 N (35.8 - 40.2 kg-f, 79 - 89 lb-f) 318 - 362 N (32.4 - 36.9 kg-f, 71 - 81 lb-f)