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Diamond 12750 Big Block Chevrolet - Big Chief/Big Duke - Dome Pistons, 13.0cc, 4.500" Bore, 4.250" Stroke, 6.385" Rod, 1.270" CD, .990" x 2.930" Pin

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Price: $1,830.11
Manufacturer: Diamond Racing Products
Part No.: 12750


Compression Ratios 
    82cc       87cc     97cc   
13.8:1 13.1:1
12.0:1
Includes Oil Rail Supports
Part Number
12750
Bore
4.500"
Stroke
4.250"
Rod Length
6.385"
Comp. Height
1.270"
Wrist Pin
.990" x 2.930"
Top Ring Down
.340"
Piston Material
2618 Alloy
Piston Style
Dome
Volume 13.0cc
Ring Stack
.043" x 1/16" x  3/16"

  Available Options
  • Moly Skirt Coating
  • Ceramic Dome Coating
  • Hard Anodized Coating
  • Lateral Gas Ports
  • Double Diamond Coating (Hard Anodized and Moly Skirt)
  • H-13 Tool Steel Wrist Pins 0.165" Wall DLC Coated
  • 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

Recommended Piston Ring Set- 09234500

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Diamond Pro Select 09234500 - Advanced Profiling Steel Piston Ring Set .043" x 1/16" x 3/16", 4.500" Bore
4.500" Bore, .043" AP Steel Top, 1/16" Napier 2nd, 3 Piece Standard Tension Oil +/- 23lb
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