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Diamond 40911 Big Block Ford 385 "THOR" Race Series Flat Top Pistons -3.5cc, 4.625" Bore, 4.500" Stroke, 6.700" Rod, 1.350" CD, .990" x 2.930 Pin

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Price: $1,912.25
Manufacturer: Diamond Racing Products
Part No.: 40911


Compression Ratios
70cc         
75cc         
84cc         
14.7:1
14.0:1
12.9:1
* Includes Oil Rail Supports
Part Number
40911
 
Bore
4.625"
Stroke
4.500"
Rod Length
6.700"
Comp. Height
1.350"
Wrist Pin
.990" x 2.930"
Top Ring Down
.320"
Piston Material
2618 Alloy
Piston Style
Flat Top
Volume -3.5cc
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- 09224625

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