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ENGINES
 First Mate Engines
  IDENTIFYING CORRECT PART NUMBERS
When identifying the correct Part No. for an application, make sure to verify all of the information asked for in the description. Use both the casting numbers and the physical descriptions, including the rotation of the engine.
CASTING NUMBERS
Castings numbers can be found in the locations depicted below:
General Motors
Crankshaft
CYLINDER HEAD IDENTIFIERS
12 Bolt
Intake Manifold
Intake Ports
Intake Crossover
Perimeter Bolt Valve Covers
ENGINE IDENTIFIERS
      Ford, Chrysler
Cylinder Head
1 Piece Rear Main Seal
2-Piece Rear Main Seal
Mechanical/Electric Fuel Pump
Is there a hole?
6 Bolt Timing Cover
    10 Bolt Timing Cover
     4 bolt Main
          8 Bolt
Intake Manifold
Intake Ports
Center Bolt Valve Covers
       FIRST MATE





































































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