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Diamond 31642 Small Block Ford BOSS 351 Flat Top -3.5cc, 4.040" Bore, 3.500" Stroke, 5.780" Rod, 1.660" CD, .912" x 2.750" Pin
Select Wrist Pins
* Whole number only
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Manufacturer: Diamond Racing Products
Part No.: 31642
Compression Ratios
60cc
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63cc
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76cc
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10.6:1
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10.3:1
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9.0:1
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Part Number
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31642
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Bore
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4.040"
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Stroke
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3.500"
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Rod Length
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5.780"
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Comp. Height
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1.660"
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Wrist Pin
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.912" x 2.750"
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Piston Material
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2618 Alloy
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Piston Style
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Flat Top
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Volume
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-3.5cc
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Ring Stack
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1/16" x 1/16" x 3/16"
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Available Options
- Moly Skirt Coating
- Ceramic Dome Coating
- 4130 Chrome Moly Wrist Pins 0.155" Wall
- H-13 Tool Steel Wrist Pins 0.145" Wall
- 9310 Endurance Alloy Wrist Pins 0.145" Wall
Recommended Piston Ring Set- 09024040
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