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Diamond 4.6L -25cc Dish Big Bore 3.700"

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Valve Reliefs:

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Select Wrist Pins *
Price: $709.99
Manufacturer: Diamond Racing Products
Part No.: 30021

-25cc Dish   Compression Ratios

45cc
51cc
55cc
8.9:1 8.4:1  8.0:1 


Specifications
  • 2618 Alloy-Designed for Forced Induction and Nitrous Applications
  • Offset Wrist Pins for Quiet Operation
  • 3.700" Bore / 1.220" Compression Height
  • Minimum .220 Underhead Thickness
  • .275 Down Top Ring
  • Premium 4130 Wrist Pins Included
  • 1.5mm x 1.5mm x 3mm Ring Stack
  • Optional .151" Intake/ .050" Exhaust Valve Reliefs Available at no extra cost!!
      Available Options
  • Moly Skirt Coating 
  • Ceramic Dome Coating 
  • Hard Anodized Coating
  • Double Diamond Coating (Hard Anodized and Moly Skirt)
  • 4130 Coated Wrist Pins 0.155" Wall
  • H-13 Tool Steel Wrist Pins 0.155" Wall
  • H-13 Tool Steel Wrist Pins 0.220" Wall
  • H-13 Tool Steel Coated Wrist Pins 0.155" Wall
  • H-13 Tool Steel Coated Wrist Pins 0.220" Wall
  • 9310 Endurance Alloy Wrist Pins 0.155" Wall
Recommended Piston Ring Set- 09063700

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Diamond Pro Select 09063700 - Plasma Moly Piston Rings 3.700" Bore 1.5mm x 1.5mm x 3mm
Design to fit Big Bore 3.700" Modular 5.0L Pistons File to Fit 1.5mm x 1.5mm x 3mm Standard Tension
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