Avalanche, Sierra, Silverado, C&K Series, 1999-2005

Piston & Ring Specifications

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PISTON AND RING SPECIFICATIONS
All measurements are given in inches.
YearEngine Displacement LitersEngine ID/VINPiston ClearanceRing GapRing Side Clearance
        Top CompressionBottom CompressionOil ControlTop CompressionBottom CompressionOil Control
19994.3W0.0007-0.010-0.018-0.0650.00420.00420.0020-
      0.00170.0300.026Max.Max.Max.0.0070
  4.8V0.0010-0.009-0.017-0.007-0.0016-0.0016-0.0004-
      0.00240.0150.0250.0270.00330.00310.0087
  5.0M0.0007-0.010-0.018-0.010-0.0012-0.0012-0.0020-
      0.00210.0200.0260.0300.00320.00320.0070
  5.3T0.0010-0.009-0.017-0.007-0.0016-0.0016-0.0004-
      0.00240.0150.0250.0270.00330.00310.0087
  5.7R0.0007-0.010-0.018-0.010-0.0012-0.0012-0.0020-
      0.00210.0200.0260.0300.00320.00320.0070
  6.0U0.0010-0.009-0.017-0.007-0.0016-0.0016-0.0004-
      0.00240.0150.0250.0270.00330.00310.0087
  6.5F-0.010-0.030-0.010-0.0015-0.0015-0.0016-
        0.0200.0390.0200.00310.00310.0035
  7.4J0.0018-0.010-0.016-0.010-0.0012-0.0012-0.0050-
      0.00300.01800.02400.0300.00290.00290.0065
1- 1-6: 0.0037-0.0047 in.
2- Interference fit (coated piston)
PISTON AND RING SPECIFICATIONS
All measurements are given in inches.
YearEngine Displacement LitersEngine ID/VINPiston ClearanceRing GapRing Side Clearance
        Top CompressionBottom CompressionOil ControlTop CompressionBottom CompressionOil Control
20004.3W0.0007-0.010-0.018-0.0650.00420.00420.0020-
      0.00170.0300.026Max.Max.Max.0.0070
  4.8V0.0010-0.009-0.017-0.007-0.0016-0.0016-0.0004-
      0.00240.0150.0250.0270.00330.00310.0087
  5.0M0.0007-0.010-0.018-0.010-0.0012-0.0012-0.0020-
      0.00210.0200.0260.0300.00320.00320.0070
  5.3T0.0010-0.009-0.017-0.007-0.0016-0.0016-0.0004-
      0.00240.0150.0250.0270.00330.00310.0087
  5.7R0.0007-0.010-0.018-0.010-0.0012-0.0012-0.0020-
      0.00210.0200.0260.0300.00320.00320.0070
  6.0U0.0010-0.009-0.017-0.007-0.0016-0.0016-0.0004-
      0.00240.0150.0250.0270.00330.00310.0087
  6.5F-0.010-0.030-0.010-0.0015-0.0015-0.0016-
        0.0200.0390.0200.00310.00310.0035
  7.4J0.0018-0.010-0.016-0.010-0.0012-0.0012-0.0050-
      0.00300.01800.02400.0300.00290.00290.0065
1- 1-6: 0.0037-0.0047 in.
2- Interference fit (coated piston)
PISTON AND RING SPECIFICATIONS
All measurements are given in inches.
YearEngine Displacement LitersEngine ID/VINPiston ClearanceRing GapRing Side Clearance
        Top CompressionBottom CompressionOil ControlTop CompressionBottom CompressionOil Control
20016.5F-0.010-0.030-0.010-0.0015-0.0015-0.0016-
1- 1-6: 0.0037-0.0047 in.
2- Interference fit (coated piston)
PISTON AND RING SPECIFICATIONS
All measurements are given in inches.
YearEngine Displacement LitersEngine ID/VINPiston ClearanceRing GapRing Side Clearance
        Top CompressionBottom CompressionOil ControlTop CompressionBottom CompressionOil Control
cont.       0.0200.0390.0200.00310.00310.0035
  6.610.0002-0.012-0.020-0.006-0.0030-0.0004-0.0004-
      0.00070.0180.0260.0140.00670.00120.0012
  8.1G-0.012-0.017-0.010-0.0012-0.0012-0.002-
        0.0180.0250.0300.00290.00290.008
1- 1-6: 0.0037-0.0047 in.
2- Interference fit (coated piston)
PISTON AND RING SPECIFICATIONS
All measurements are given in inches.
YearEngine Displacement LitersEngine ID/VINPiston ClearanceRing GapRing Side Clearance
        Top CompressionBottom CompressionOil ControlTop CompressionBottom CompressionOil Control
20024.3W0.0007-0.010-0.018-0.0650.00420.00420.0020-
      0.00170.0300.026Max.Max.Max.0.0070
  4.8V0.0010-0.009-0.017-0.007-0.0016-0.0016-0.0004-
      0.00240.0150.0250.0270.00330.00310.0087
  5.0M0.0007-0.010-0.018-0.010-0.0012-0.0012-0.0020-
      0.00210.0200.0260.0300.00320.00320.0070
  5.3T0.0010-0.009-0.017-0.007-0.0016-0.0016-0.0004-
      0.00240.0150.0250.0270.00330.00310.0087
  5.7R0.0007-0.010-0.018-0.010-0.0012-0.0012-0.0020-
      0.00210.0200.0260.0300.00320.00320.0070
  6.0U0.0010-0.009-0.017-0.007-0.0016-0.0016-0.0004-
      0.00240.0150.0250.0270.00330.00310.0087
  6.5F-0.010-0.030-0.010-0.0015-0.0015-0.0016-
        0.0200.0390.0200.00310.00310.0035
  6.610.0002-0.012-0.020-0.006-0.0030-0.0004-0.0004-
      0.00070.0180.0260.0140.00670.00120.0012
  8.1G-0.012-0.017-0.010-0.0012-0.0012-0.002-
        0.0180.0250.0300.00290.00290.008
1- 1-6: 0.0037-0.0047 in.
2- Interference fit (coated piston)
PISTON AND RING SPECIFICATIONS
All measurements are given in inches.
YearEngine Displacement LitersEngine ID/VINPiston ClearanceRing GapRing Side Clearance
        Top CompressionBottom CompressionOil ControlTop CompressionBottom CompressionOil Control
20034.3X0.0007-0.010-0.018-0.0650.00420.00420.0020-
      0.00170.0300.026Max.Max.Max.0.0070
  4.8V0.0010-0.009-0.017-0.007-0.0016-0.0016-0.0004-
      0.00240.0150.0250.0270.00330.00310.0087
  5.3T0.0010-0.009-0.017-0.007-0.0016-0.0016-0.0004-
      0.00240.0150.0250.0270.00330.00310.0087
  5.3Z-0.00140.009-0.017-0.007-0.0016-0.0016-0.0005-
      0.00060.0020.0270.0290.00330.00310.0087
  6.0U0.0010-0.009-0.017-0.007-0.0016-0.0016-0.0004-
      0.00240.0150.0250.0270.00330.00310.0087
  6.0N-0.00090.012-0.020-0.012-0.0014-0.0013-0.0005-
      0.00120.0200.0300.0340.00310.00300.0008
  6.610.0002-0.012-0.020-0.006-0.0030-0.0004-0.0004-
      0.00070.0180.0260.0140.00670.00120.0012
  8.1G-0.012-0.017-0.010-0.0012-0.0012-0.002-
        0.0180.0250.0300.00290.00290.008
1- 1-6: 0.0037-0.0047 in.
2- Interference fit (coated piston)
PISTON AND RING SPECIFICATIONS
All measurements are given in inches.
YearEngine Displacement LitersEngine ID/VINPiston ClearanceRing GapRing Side Clearance
        Top CompressionBottom CompressionOil ControlTop CompressionBottom CompressionOil Control
20044.3X0.0007-0.010-0.018-0.0650.00420.00420.0020-
      0.00170.0300.026Max.Max.Max.0.0070
  4.8V0.0010-0.009-0.017-0.007-0.0016-0.0016-0.0004-
      0.00240.0150.0250.0270.00330.00310.0087
  5.3T0.0010-0.009-0.017-0.007-0.0016-0.0016-0.0004-
      0.00240.0150.0250.0270.00330.00310.0087
  5.3Z-0.00140.009-0.017-0.007-0.0016-0.0016-0.0005-
      0.00060.0020.0270.0290.00330.00310.0087
  6.0U0.0010-0.009-0.017-0.007-0.0016-0.0016-0.0004-
      0.00240.0150.0250.0270.00330.00310.0087
  6.0N-0.00090.012-0.020-0.012-0.0014-0.0013-0.0005-
      0.00120.0200.0300.0340.00310.00300.0008
  6.610.0002-0.012-0.020-0.006-0.0030-0.0004-0.0004-
      0.00070.0180.0260.0140.00670.00120.0012
  8.1G-0.012-0.017-0.010-0.0012-0.0012-0.002-
        0.0180.0250.0300.00290.00290.008
1- 1-6: 0.0037-0.0047 in.
2- Interference fit (coated piston)
PISTON AND RING SPECIFICATIONS
All measurements are given in inches.
YearEngine Displacement LitersEngine ID/VINPiston ClearanceRing GapRing Side Clearance
        Top CompressionBottom CompressionOil ControlTop CompressionBottom CompressionOil Control
20054.3X0.0007-0.010-0.015-0.00020.00120.00120.0030-
      0.00240.0200.0310.00350.00330.00330.0079
  4.8V-0.00140.0015-0.015-0.0005-0.0090-0.00173-0.0070-
      0.00060.00330.00310.00780.01960.00310.0320
  5.3B-0.00140.0090-0.0173-0.007-0.0016-0.0016-0.0005-
      0.00060.01960.0300.0320.00330.00310.0078
  5.3T-0.00140.0090-0.0173-0.007-0.0016-0.0016-0.0005-
      0.00060.01960.0300.0320.00330.00310.0078
  5.3Z-0.00140.0090-0.0173-0.007-0.0016-0.0016-0.0005-
      0.00060.01960.0300.0320.00330.00310.0078
  6.0N-0.00090.012-0.020-0.012-0.0014-0.0013-0.0005-
      0.00120.0200.0300.0340.00310.00300.0008
  6.0U-0.00090.012-0.020-0.012-0.0015-0.0015-0.0006-
      0.00120.0230.0330.0370.00310.00310.0078
  6.62NA0.0118-0.0197-0.0059-0.0030-0.0004-0.0004-
        0.0180.0260.0140.00670.00120.0012
  8.1G-0.012-0.017-0.010-0.0012-0.0012-0.002-
        0.0180.0250.0300.00290.00290.008
1- 1-6: 0.0037-0.0047 in.
2- Interference fit (coated piston)
PISTON AND RING SPECIFICATIONS
All measurements are given in inches.
YearEngine Displacement LitersEngine VINPiston ClearanceRing GapRing Side Clearance
        Top CompressionBottom CompressionOil ControlTop CompressionBottom CompressionOil Control
19995.7R0.0007-0.010-0.018-0.010-0.0012-0.0012-0.0020-
      0.00210.0200.0260.0300.00320.00320.0070
  6.5S-0.010-0.030-0.010-0.0015-0.0015-0.0016-
        0.0200.0390.0200.00310.00310.0035
  7.4J0.0018-0.010-0.016-0.010-0.0012-0.0012-0.0050-
      0.00300.01800.02400.0300.00290.00290.0065
1- 1-6: 0.0037-0.0047 in.
2- Interference fit (coated piston)
PISTON AND RING SPECIFICATIONS
all measurements are given in inches.
YearEngine Displacement Liters (cc)Engine ID/VINPiston ClearanceRing GapRing Side Clearance
        Top CompressionBottom CompressionOil ControlTop CompressionBottom CompressionOil Control
19995.7 (5735)R0.0007-0.010-0.018-0.010-0.0012-0.0012-0.0020-
      0.00210.0200.0260.0300.00320.00320.0070
  6.5 (6473)S-0.010-0.030-0.010-0.0015-0.0015-0.0016-
        0.0200.0390.0200.00310.00310.0035
  7.4 (7440)J0.0018-0.010-0.016-0.010-0.0012-0.0012-0.0050-
      0.00300.01800.02400.0300.00290.00290.0065
1A 1-6: 0.0037-0.0047 in.
2B Interference fit (coated piston)
PISTON AND RING SPECIFICATIONS
all measurements are given in inches.
YearEngine Displacement LitersEngine ID/VINPiston ClearanceRing GapRing Side Clearance
        Top CompressionBottom CompressionOil ControlTop CompressionBottom CompressionOil Control
20054.3X0.0007-0.010-0.015-0.00020.00120.00120.0030-
      0.00240.0200.0310.00350.00330.00330.0079
  4.8V0.00140.0015-0.015-0.0005-0.0090-0.00173-0.0070-
      -0.00060.00330.00310.00780.01960.00310.0320
  5.3T0.00140.0090-0.0173-0.007-0.0016-0.0016-0.0005-
      -0.00060.01960.0300.0320.00330.00310.0078
  5.3Z0.00140.0090-0.0173-0.007-0.0016-0.0016-0.0005-
      -0.00060.01960.0300.0320.00330.00310.0078
  6.0U0.00090.012-0.020-0.012-0.0015-0.0015-0.0006-
      -0.00120.0230.0330.0370.00310.00310.0078
  8.1G-0.012-0.017-0.010-0.0012-0.0012-0.002-
        0.0180.0250.0300.00290.00290.008
1- Interference fit (coated piston)
PISTON AND RING SPECIFICATIONS
all measurements are given in inches.
YearEngine Displacement LitersEngine ID/VINPiston ClearanceRing GapRing Side Clearance
        Top CompressionBottom CompressionOil ControlTop CompressionBottom CompressionOil Control
20054.3X0.0007-0.010-0.015-0.00020.00120.00120.0030-
      0.00240.0200.0310.00350.00330.00330.0079
  4.8V-0.00140.0015-0.015-0.0005-0.0090-0.00173-0.0070-
      0.00060.00330.00310.00780.01960.00310.0320
  5.3B-0.00140.0090-0.0173-0.007-0.0016-0.0016-0.0005-
      0.00060.01960.0300.0320.00330.00310.0078
  5.3T-0.00140.0090-0.0173-0.007-0.0016-0.0016-0.0005-
      0.00060.01960.0300.0320.00330.00310.0078
  5.3Z-0.00140.0090-0.0173-0.007-0.0016-0.0016-0.0005-
      0.00060.01960.0300.0320.00330.00310.0078
  6.0N-0.00090.012-0.020-0.012-0.0014-0.0013-0.0005-
      0.00120.0200.0300.0340.00310.00300.0008
  6.0U-0.00090.012-0.020-0.012-0.0015-0.0015-0.0006-
      0.00120.0230.0330.0370.00310.00310.0078
  6.62NA0.0118-0.0197-0.0059-0.0030-0.0004-0.0004-
        0.0180.0260.0140.00670.00120.0012
  8.1G-0.012-0.017-0.010-0.0012-0.0012-0.002-
        0.0180.0250.0300.00290.00290.008
1- Interference fit (coated piston)
 
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