Subaru EJ20G & EJ20T Copperhead Gaskets

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Engine:   EJ20G/EJ20T DOHC 16v Turbo
Capacity:   1994cc
Cylinders:   4
Bore Size:   92mm/3.622in
Stroke:   75mm/2.953in


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CYLINDER HEAD GASKET PART SPECIFICATIONS
Part No:  BZ230CU10-GTR Part No:  BZ230CU16-GTR
Thickness: 1.0mm/.040in Thickness: 1.6mm/.063in
Volume: 6.8cc Volume: 10.9cc
Material: Copper Material: Copper
Bore Diam: 93.25mm/3.671in Bore Diam: 93.25mm/3.671in
TORQUE SPECIFICATIONS AND STAGES
Step 1 30Nm
23ft.lb
Step 5 34Nm *
25ft.lb *
Step 2 70Nm
53ft.lb
Step 6 15Nm **
11ft.lb **
Step 3 Loosen all bolts 180 degrees Step 7 Tighten 90 degrees
Step 4 Loosen all bolts 180 degrees Step 8 Tighten 90 degrees
Cyl. Head Bolt Torque Seq.

6  1  3 

4  2  5

*   2 Centre Bolts

**  Remaining Bolts

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