Mazda B-Series 1998-06

Valve Specifications

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VALVE SPECIFICATIONS
YearEngine Displacement LitersEngine VINSeat Angle (deg.)Face Angle (deg.)Spring Test Pressure (lbs. @ in.)Spring Installed Height (in.)Stem-to-Guide Clearance (in.)Stem Diameter (in.)
              IntakeExhaustIntakeExhaust
19982.5C454457-63@1.540-0.0008-0.0018-0.2746-0.2736-
          1.561.5800.00250.00370.27540.2744
  3.0U4544185@1.161.580-0.0010-0.0015-0.3126-0.3121-
            1.6100.00270.00320.31340.3129
  4.0X4544138@1.221.580-0.0008-0.0018-0.3159-0.3149-
            1.6100.00250.00350.31670.3156
1NA: not available
2- Intake: 97.0@1.201
VALVE SPECIFICATIONS
YearEngine Displacement LitersEngine VINSeat Angle (deg.)Face Angle (deg.)Spring Test Pressure (lbs. @ in.)Spring Installed Height (in.)Stem-to-Guide Clearance (in.)Stem Diameter (in.)
              IntakeExhaustIntakeExhaust
19992.5C454457-63@1.540-0.0008-0.0018-0.2746-0.2736-
          1.561.5800.00250.00370.27540.2744
  3.0U4544185@1.161.580-0.0010-0.0015-0.3126-0.3121-
            1.6100.00270.00320.31340.3129
  4.0X4544138@1.221.580-0.0008-0.0018-0.3159-0.3149-
            1.6100.00250.00350.31670.3156
1NA: not available
2- Intake: 97.0@1.201
VALVE SPECIFICATIONS
YearEngine Displacement LitersEngine VINSeat Angle (deg.)Face Angle (deg.)Spring Test Pressure (lbs. @ in.)Spring Installed Height (in.)Stem-to-Guide Clearance (in.)Stem Diameter (in.)
              IntakeExhaustIntakeExhaust
20002.5C454457-63@1.540-0.0008-0.0018-0.2746-0.2736-
          1.561.5800.00250.00370.27540.2744
  3.0U4544185@1.161.580-0.0010-0.0015-0.3126-0.3121-
            1.6100.00270.00320.31340.3129
  4.0X4544138@1.221.580-0.0008-0.0018-0.3159-0.3149-
            1.6100.00250.00350.31670.3156
1NA: not available
2- Intake: 97.0@1.201
VALVE SPECIFICATIONS
YearEngine Displacement LitersEngine VINSeat Angle (deg.)Face Angle (deg.)Spring Test Pressure (lbs. @ in.)Spring Installed Height (in.)Stem-to-Guide Clearance (in.)Stem Diameter (in.)
              IntakeExhaustIntakeExhaust
20012.3D44.5-4545-45.5-1.4920.00090.00110.2153-0.2151-
                  0.21590.2157
  2.5C44.7544118-132@1.161.540-0.0008-0.0018-0.2746-0.2736-
            1.5800.00270.00370.27540.2744
  3.0U4544185@1.161.580-0.0010-0.0015-0.3126-0.3121-
            1.6100.00270.00320.31340.3129
  4.0E4545202-225@1.569-0.0010-0.0010-0.2740-0.2730-
          1.413-1.4451.6010.00200.00200.27480.2740
1NA: not available
2- Intake: 97.0@1.201
VALVE SPECIFICATIONS
YearEngine Displacement LitersEngine VINSeat Angle (deg.)Face Angle (deg.)Spring Test Pressure (lbs. @ in.)Spring Installed Height (in.)Stem-to-Guide Clearance (in.)Stem Diameter (in.)
              IntakeExhaustIntakeExhaust
20022.3D4545-1.4920.00090.00110.2153-0.2151-
                  0.21590.2157
  3.0U44.545.62NA1.736-0.0010-0.0015-0.2744-0.2739
            1.6500.00270.00320.27520.2747
  4.0E4545202-225@1.569-0.0010-0.0010-0.2740-0.2740
          1.413-1.4451.6010.00200.00300.2750  
1NA: not available
2- Intake: 97.0@1.201
VALVE SPECIFICATIONS
YearEngine Displacement LitersEngine VINSeat Angle (deg.)Face Angle (deg.)Spring Test Pressure (lbs. @ in.)Spring Installed Height (in.)Stem-to-Guide Clearance (in.)Stem Diameter (in.)
              IntakeExhaustIntakeExhaust
20032.3D4545-1.4920.00090.00110.2153-0.2151-
                  0.21590.2157
  3.0U44.545.62NA1.736-0.0010-0.0015-0.2744-0.2739
            1.6500.00270.00320.27520.2747
  4.0E4545202-225@1.569-0.0010-0.0010-0.2740-0.2740
          1.413-1.4451.6010.00200.00300.2750  
1NA: not available
2- Intake: 97.0@1.201
VALVE SPECIFICATIONS
YearEngine Displacement LitersEngine VINSeat Angle (deg.)Face Angle (deg.)Spring Test Pressure (lbs. @ in.)Spring Installed Height (in.)Stem-to-Guide Clearance (in.)Stem Diameter (in.)
              IntakeExhaustIntakeExhaust
20042.3D4545-1.4920.00090.00110.2153-0.2151-
                  0.21590.2157
  3.0U44.545.62NA1.736-0.0010-0.0015-0.2744-0.2739
            1.6500.00270.00320.27520.2747
  4.0E4545202-225@1.569-0.0010-0.0010-0.2740-0.2740
          1.413-1.4451.6010.00200.00300.2750  
1NA: not available
2- Intake: 97.0@1.201
VALVE SPECIFICATIONS
YearEngine Displacement LitersEngine VINSeat Angle (deg.)Face Angle (deg.)Spring Test Pressure (lbs. @ in.)Spring Installed Height (in.)Stem-to-Guide Clearance (in.)Stem Diameter (in.)
              IntakeExhaustIntakeExhaust
20052.3D4545-1.4920.00090.00110.2153-0.2151-
                  0.21590.2157
  3.0U44.545.62NA1.736-0.0010-0.0015-0.2744-0.2739
            1.6500.00270.00320.27520.2747
  4.0E4545202-225@1.569-0.0010-0.0010-0.2740-0.2740
          1.413-1.4451.6010.00200.00300.2750  
1NA: not available
2- Intake: 97.0@1.201
VALVE SPECIFICATIONS
YearEngine Displacement LitersEngine VINSeat Angle (deg.)Face Angle (deg.)Spring Test Pressure (lbs. @ in.)Spring Installed Height (in.)Stem-to-Guide Clearance (in.)Stem Diameter (in.)
              IntakeExhaustIntakeExhaust
20062.3D4545-1.4920.00090.00110.2153-0.2151-
                  0.21590.2157
  3.0U44.545.62NA1.736-0.0010-0.0015-0.2744-0.2739
            1.6500.00270.00320.27520.2747
  4.0E4545202-225@1.569-0.0010-0.0010-0.2740-0.2740
          1.413-1.4451.6080.00200.00300.2750  
1NA: not available
2- Intake: 97.0@1.201
 
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