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Holden 253 Cast Pistons
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| Engine: |
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253 OHV 16v |
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| Capacity: |
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253ci |
| Cylinders: |
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V8 |
| Bore Size: |
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92.08mm/3.36in |
| Stroke: |
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77.79mm/3.06in |
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Piston Assembly Set |
| Part # |
8MKRY9115 (includes pre-gapped Piston Rings) |
| 8MKRY9115H (includes File Back Piston Rings) |
| Sizes available: |
STD,020,030,040,060 |
| Piston Information |
Piston Ring Information |
| Piston Type |
Cast |
Pregapped Ring Set Part # |
M9112 |
| Compression Height |
42.8mm/1.686in |
Sizes Available: |
STD, 020, 030, 040, 060 |
| Piston Crown Capacity |
-7.5cc |
File Back Ring Set Part # |
M9116 |
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Dome |
Sizes Available: |
005, 025, 035, 045, 065 |
| Bowl Depth |
+2mm/-0.079in |
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Ring 1 |
Ring 2 |
Ring 3 |
| Rod Length |
5.625in/142.87mm |
Type |
Barrel plain
Moly Coated
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Reverse torsional taper face scraper |
Duraflex 3 piece oil ring |
Compression Ratio at
Total Clearance Volume |
10.0:1 at 57.5cc |
Width |
1.5mm/0.059in |
1.5mm/0.059in |
4mm/0.157in |
| Piston Crown Thickness |
12mm |
Depth |
3.81mm/0.151in |
3.81mm/0.151in |
4.15mm/0.162in |
| Piston Mass |
513 grams (STD) |
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| Pin Mass |
95 grams |
| Pin Diameter |
23.596mm/0.927in |
Pin Locking Device
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Press Fit |
| Clearance |
Stamped on piston crown |
| Skirt Coated |
No |
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