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Diamond 40644 Big Block Ford 385 Yates Race Series Flat Top Pistons -4.6cc, 4.600" Bore, 4.750" Stroke, 6.700" Rod, 1.225" CD, .990" x 2.930 Pin

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Price: $2,039.99
Manufacturer: Diamond Racing Products
Part No.: 40644


Compression Ratios
62cc         
65cc         
68cc         
16.4:1
15.9:1
15.4:1
* Includes Oil Rail Supports
Part Number
40644
Bore
4.600"
Stroke
4.750"
Rod Length
6.700"
Comp. Height
1.225"
Wrist Pin
.990" x 2.930"
Top Ring Down
.350"
Piston Material
2618 Alloy
Piston Style
Flat Top
Volume -4.6cc
Ring Stack
.043" x .043" x 3/16"

  Available Options
  • Moly Skirt Coating
  • Ceramic Dome Coating
  • Hard Anodized Coating 
  • Double Diamond Coating (Hard Anodized and Moly Skirt)
  • 4130 Chrome Moly Wrist Pins 0.155" Wall 
  • 4130 Chrome Moly Wrist Pins 0.155" 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
  • 9310 Endurance Alloy Wrist Pins 0.185" 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 Wrist Pins 0.175" Wall
  • H-13 Tool Steel Wrist Pins 0.185" Wall
  • H-13 Tool Steel Wrist Pins 0.195" Wall
  • H-13 Tool Steel Wrist Pins 0.200" Wall
  • H-13 Tool Steel Wrist Pins 0.205" Wall
  • H-13 Tool Steel Wrist Pins 0.215" Wall
  • H-13 Tool Steel Wrist Pins 0.220" Wall
  • H-13 Tool Steel Wrist Pins 0.225" Wall
  • H-13 Tool Steel Wrist Pins 0.250" Wall
  • H-13 Tool Steel Wrist Pins 0.165" Wall DLC Coated


 
 
Recommended Piston Ring Set- 09244600


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Diamond Pro Select 09244600 - Advanced Profiling Steel Piston Ring Set .043" x .043" x 3/16", 4.600" Bore
4.600" Bore, .043" AP Steel Top, .043" Napier 2nd, 3 Piece Standard Tension Oil +/- 23lb
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