Sierra, Silverado 2006-2007

Valve Specifications

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VALVE SPECIFICATIONS
YearEngine Displacement LitersEngine ID/VINSeat Angle (deg.)Face Angle (deg.)Spring Test Pressure (lbs. @ in.)Spring Installed Height (in.)Stem-to-Guide Clearance (in.)Stem Diameter (in.)
              IntakeExhaustIntakeExhaust
20064.3X4645187-203@1.271.67-0.0010-0.0010-NANA
            1.700.00370.0037    
  4.8V4645220@1.321.800.0010-0.0010-0.3132-0.3132-
              0.00260.00260.31400.3140
  5.3B4645220@1.321.800.0010-0.0010-0.3130-0.3130-
              0.00260.00260.31400.3140
  5.3T4645220@1.321.800.0010-0.0010-0.3130-0.3130-
              0.00260.00260.31400.3140
  5.3Z4645220@1.321.800.0010-0.0010-0.3130-0.3130-
              0.00260.00260.31400.3140
  6.0U4645230@1.401.800.0010-0.0010-0.3130-0.3130-
              0.00270.00270.31400.3140
  6.0N4645230@1401.800.0010-0.0010-0.3130-0.3130-
              0.00260.00260.31400.3140
  6.624545NA1.610.0012-0.0015-0.2737-0.2734-
              0.00250.00280.27440.2741
  6.6DNANANANANANANANA
                     
  8.1G4645216-236@1.341.81-0.0010-0.0012-0.3715-0.3713-
            1.840.00290.00310.37220.3720
1NA: Not Available
VALVE SPECIFICATIONS
YearEngine Displacement LitersEngine ID/VINSeat Angle (deg.)Face Angle (deg.)Spring Test Pressure (lbs. @ in.)Spring Installed Height (in.)Stem-to-Guide Clearance (in.)Stem Diameter (in.)
              IntakeExhaustIntakeExhaust
20074.3X4645187-203@1.271.67-0.0010-0.0010-NANA
            1.700.00370.0037    
  4.8V4645220@1.321.800.0010-0.0010-0.3132-0.3132-
              0.00260.00260.31400.3140
  4.8C4645220@1.321.800.0010-0.0010-0.3132-0.3132-
              0.00260.00260.31400.3140
  5.3B4645220@1.321.800.0010-0.0010-0.3130-0.3130-
              0.00260.00260.31400.3140
  5.3T4645220@1.321.800.0010-0.0010-0.3130-0.3130-
              0.00260.00260.31400.3140
  5.3Z4645220@1.321.800.0010-0.0010-0.3130-0.3130-
              0.00260.00260.31400.3140
  5.3M4645220@1.321.800.0010-0.0010-0.3130-0.3130-
              0.00260.00260.31400.3140
  5.304645220@1.321.800.0010-0.0010-0.3130-0.3130-
              0.00260.00260.31400.3140
  5.3J4645220@1.321.800.0010-0.0010-0.3130-0.3130-
              0.00260.00260.31400.3140
  5.334645220@1.321.800.0010-0.0010-0.3130-0.3130-
              0.00260.00260.31400.3140
  6.0U4645230@1.401.800.0010-0.0010-0.3130-0.3130-
              0.00270.00270.31400.3140
  6.0N4645230@1401.800.0010-0.0010-0.3130-0.3130-
              0.00260.00260.31400.3140
  6.0Y4645220@1.321.800.0010-0.0010-0.3130-0.3130-
              0.00260.00260.31400.3140
  6.0K4645220@1.321.800.0010-0.0010-0.3130-0.3130-
              0.00260.00260.31400.3140
  6.284645220@1.321.800.0010-0.0010-0.3130-0.3130-
              0.00260.00260.31400.3140
  6.6DNANANANANANANANA
                     
  6.66NANANANANANANANA
                     
  8.1G4645216-236@1.341.81-0.0010-0.0012-0.3715-0.3713-
            1.840.00290.00310.37220.3720
                     
1NA: Not Available
 
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