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Diamond 31708 Small Block Ford Twisted Wedge / Race - Flat Top Pistons -7.7cc , 4.060" Bore, 3.250" Stroke, 5.400" Rod, 1.165" CD, .927" x 2.750" Pin
Select Wrist Pins
* Whole number only
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Manufacturer: Diamond Racing Products
Part No.: 31708
Compression Ratios
58cc
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62cc
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66cc
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10.1:1
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9.6:1
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9.2:1
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*Includes Oil Rail Supports
Part Number
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31708
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Bore
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4.060"
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Stroke
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3.250"
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Rod Length
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5.400"
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Comp. Height
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1.165"
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Wrist Pin
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.927" x 2.750"
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Top Ring Down
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.300"
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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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-7.7cc
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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
- 4130 Chrome Moly Coated Wrist Pins 0.155" Wall
- H-13 Tool Steel Wrist Pins 0.145" Wall
- H-13 Tool Steel Wrist Pins 0.155" Wall
- H-13 Tool Steel Wrist Pins 0.165" Wall
- H-13 Tool Steel Coated Wrist Pins 0.145" Wall
- H-13 Tool Steel Coated Wrist Pins 0.155" Wall
- H-13 Tool Steel Coated Wrist Pins 0.165" Wall
- 9310 Endurance Alloy Wrist Pins 0.145" Wall
- 9310 Endurance Alloy Wrist Pins 0.155" Wall
- 9310 Endurance Alloy Wrist Pins 0.165" Wall
Recommended Piston Ring Set- 09024060
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