| Ref. | OEM Part # | Hardin # | Mallory # | GLM # | SEI # | Description | Num Req. | Superceded From | Special Notes | 
    
      | - | 865752A01 | 
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 | LONG BLOCK | 1 | 862762A1 | This Part is No Longer Available (Base) SN# 0M376087 & Below | 
    
      | - | 865752A01 | 
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 | LONG BLOCK | 1 | 863815A02 | This Part is No Longer Available (Base) SN# 0M376088 THRU 0M672040 | 
    
      | - | 865752A01 | 
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 | LONG BLOCK | 1 | 865273A01 | This Part is No Longer Available (Base)(GM Code 4XW) SN# 0M672041 & Up | 
    
      | - | 865754A01 | 
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 | LONG BLOCK | 1 | 862764A1 | (H.O.) SN# 0M376090 & Below | 
    
      | - | 865754A01 | 
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 | LONG BLOCK | 1 | 863817A02 | (H.O.) SN# 0M376091 THRU 0M667237 | 
    
      | - | 865754A01 | 
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 | LONG BLOCK | 1 | 865275A01 | (H.O.)(GM Code 4XA) SN# 0M667238 & Up | 
    
      | 1 | NSS | 
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 | NOT SOLD SEPARATE, BLOCK-Engine | 1 | 
 | This Part is not sold separately (Order Longblock Assembly) 22,4,5,23 | 
    
      | 2 | 22-48341 | 
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 | PLUG, (.125-27 x .375), Oil Galley | 3 | 
 | 22,4,5,23 | 
    
      | 3 | NSS | 
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 | NOT SOLD SEPARATE, PLUG-Coolant Drain | 1 | 
 | This Part is not sold separately 22,4,5,23 | 
    
      | 4 | 881669 | 
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 | DRIVE, Oil Pump, Oil Pump | 1 | 
 | 22,4,5,23 | 
    
      | 5 | 10-881595 | 
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 | SCREW, (M6 x 21), Oil Pump | 1 | 
 | 22,4,5,23 | 
    
      | 6 | 17-845758 | 
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 | PIN, Dowel, Cylinder Head Locating | 4 | 
 | 22,4,5,23 | 
    
      | 7 | 892617 | 
 | 676-9-29823 | 
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 | SENSOR, Crankshaft Position | 1 | 881667 | 22,4,5,23 | 
    
      | 8 | NSS | 
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 | NOT SOLD SEPARATE, SEAL-Crankshaft Position Sensor | 1 | 
 | This Part is not sold separately 22,4,5,23 | 
    
      | 9 | 10-881595 | 
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 | SCREW, (M6 x 21), Crankshaft Position Sensor | 1 | 
 | 22,4,5,23 | 
    
      | 10 | 11-68219 | 
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 | NUT, (#10-32) Stainless Steel | 1 | 
 | 22,4,5,23 | 
    
      | 11 | 22-805563 | 
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 | CONNECTOR, (.500 Inch NPTF To .500 Inch Inverted Flare) | 1 | 
 | 22,4,5,23 | 
    
      | 12 | 878187 | 
 | 676-9-33502 | 
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 | SENSOR ASSEMBLY, Knock | 2 | 
 | 22,23 | 
    
      | 13 | 8M0068784 | 
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 | SENDER ASSEMBLY, Oil Pressure | 1 | 87-815425T | 
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      | 14 | 22-48340 | 
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 | PLUG, (.250-18 x .41), Oil Galley | 1 | 
 | 22,4,5,23 | 
    
      | 14 | 22-36373 | 
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 | PLUG, (.375-18 x .42), Pipe - Oil Galley | 2 | 22-34487 | 22,4,5,23 | 
    
      | 14 | 22-48341 | 
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 | PLUG, (.125-27 x .375), Oil Galley | AR | 
 | 22,4,5,23 | 
    
      | 14 | 22-881568 | 
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 | PLUG, Engine Coolant | 1 | 
 | 22,4,5,23 | 
    
      | 14 | 22-881569 | 
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 | PLUG, (.250-18 x .54), Engine Coolant | 1 | 
 | 22,4,5,23 | 
    
      | 15 | 17-843378 | 
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 | PIN, Dowel (1/4 In. Diameter) | 1 | 17-35312 | 22,4,5,23 | 
    
      | 16 | 23-85684 | 
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 | BEARING, Camshaft | 1 | 23-881659 | (pos 1) 22,4,5,23 | 
    
      | 17 | 23-85684 | 
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 | BEARING, Camshaft | 2 | 23-881660 | (pos 2 / 5) 22,4,5,23 | 
    
      | 18 | 23-85684 | 
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 | BEARING, Camshaft | 2 | 23-881661 | (pos 3 / 4) 22,4,5,23 | 
    
      | 19 | 19-94140 | 
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 | EXPANSION PLUG, Camshaft Bearing Hole | 1 | 
 | 22,4,5,23 | 
    
      | 20 | 431-881627 | 
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 | CAMSHAFT | 1 | 
 | (Base) 23,4 | 
    
      | 20 | 431-881628 | 
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 | CAMSHAFT | 1 | 
 | (H.O.) 22,5 | 
    
      | 21 | 17-843378 | 
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 | PIN, Dowel (1/4 In. Diameter) | 1 | 17-35312 | Camshaft Sprocket Location 22,4,5,23 | 
    
      | 22 | 845941 | 
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 | RETAINER, Camshaft | 1 | 
 | 22,4,5,23 | 
    
      | 23 | 10-881588 | 
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 | SCREW | 1 | 
 | 22,4,5,23 | 
    
      | 24 | 43-881616 | 
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 | SPROCKET, Camshaft | 1 | 
 | This Part is No Longer Available (Engine Block Code 1XW, 1XA,) 4,5 | 
    
      | 24 | 884037 | 
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 | SPROCKET, Camshaft | 1 | 
 | (Engine Block Code 2XW, 2XA, 3XA, 3XW) 4,5 | 
    
      | 24 | 892640001 | 
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 | SPROCKET, Camshaft | 1 | 892640 | (H.O.)(GM Code 4XA) SN# 0M667238 & Up 23 | 
    
      | 24 | 892640001 | 
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 | SPROCKET, Camshaft | 1 | 892640 | (Base)(GM Code 4XW) SN# 0M672041 & Up 22 | 
    
      | 25 | 10-881570 | 
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 | SCREW, (M8 x 25) | 3 | 
 | 22,4,5,23 | 
    
      | 26 | 881626 | 
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 | CHAIN, Camshaft Timing | 1 | 
 | 22,4,5,23 | 
    
      | 27 | 735-881592002 | 
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 | PISTON ASSEMBLY, Standard | 4 | 735-881592 | (Starboard) 22,4,5,23 | 
    
      | 27 | 735-883515002 | 
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 | PISTON ASSEMBLY, Standard | 4 | 735-883515 | (Port) 22,4,5,23 | 
    
      | 27 | 735-881596 | 
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 | PISTON ASSEMBLY, .030 Oversize | 4 | 
 | (Starboard) | 
    
      | 27 | 735-881597002 | 
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 | PISTON ASSEMBLY, .030 Oversize | 4 | 735-881597 | (Port) | 
    
      | 28 | NSS | 
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 | NOT SOLD SEPARATE, ROD-Connecting | 8 | 
 | This Part is not sold separately 22,4,5,23 | 
    
      | 29 | 10-883917 | 
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 | SCREW, Connecting Rod | 16 | 
 | 22,4,5,23 | 
    
      | 30 | 11-883918 | 
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 | NUT, Connecting Rod | 16 | 
 | 22,4,5,23 | 
    
      | 31 | 39-881601 | 
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 | RING KIT, Piston | 8 | 
 | (Standard) 22,4,5,23 | 
    
      | 31 | 39-881602 | 
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 | RING KIT, Piston | 8 | 
 | (.030 Over Size) | 
    
      | 32 | 23-8832391 | 
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 | BEARING, Connecting Rod | 8 | 23-883239 | 22,4,5,23 | 
    
      | 33 | 22-881567001 | 
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 | PLUG, Oil Galley | 4 | 22-881567 | 22,4,5,23 | 
    
      | 34 | 22-48341 | 
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 | PLUG, Oil Galley | 3 | 22-881598 | 22,4,5,23 | 
    
      | 35 | 22-48341 | 
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 | PLUG, (.125-27 x .375), Oil Galley | AR | 
 | 22,4,5,23 | 
    
      | 35 | 22-36373 | 
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 | PLUG, (.375-18 x .42), Pipe - Oil Galley | 2 | 22-34487 | 22,4,5,23 | 
    
      | 35 | 22-48340 | 
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 | PLUG, (.250-18 x .41), Oil Galley | 1 | 
 | 22,4,5,23 | 
    
      | 36 | 883925 | 
 | 676-9-42601 | 
 | 602-WP2000 | PUMP, Circulating | 
 | 883514 | 22,4,5,23 | 
    
      | 37 | 27-881603 | 
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 | GASKET, Circulating Pump | 2 | 
 | No longer made, limited availability 3,4,5,22 | 
    
      | 38 | 862583 | 
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 | PULLEY, Circulating Pump | 1 | 
 | 22,4,5,23 | 
    
      | 39 | 10-4010716 | 
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 | SCREW, (M8 x 16) | 4 | 
 | 22,4,5,23 | 
    
      | 40 | 10-881576 | 
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 | SCREW, (M10 x 65) | 3 | 
 | 22,4,5,23 | 
    
      | 40 | 10-884036 | 
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 | SCREW, (M10 x 95) | 1 | 
 | 22,4,5,23 | 
    
      | 41 | 16-862915 | 
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 | STUD, (.250-18/M10 Special), Knock Sensor | 2 | 
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      | 42 | 11-826292 | 
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 | NUT, (M10) Brass/Nickel Plated, Knock Sensor | 2 | 
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      | 43 | 881879T11 | 
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 | SENSOR, (0 - 100 PSI), Oil Pressure | 1 | 881879A6 | 
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      | 44 | 22-29085 | 
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 | FITTING, Elbow (45 Degree) | 2 | 
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      | 45 | 22-64013 | 
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 | FITTING, (.375 Male To .125 Female) | 1 | 
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      | 46 | 22-805059 | 
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 | FITTING, Reducer Bushing | 1 | 
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      | 47 | 13-26996 | 
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 | LOCKWASHER, (#10) Stainless Steel | 1 | 
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      | 48 | 22-38407 | 
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 | PLUG, (.500-14), Pipe | 1 | 
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