Diamond 12431 Big Block Chevrolet - Forced Induction - Dish Pistons, -8.5cc, 4.280" Bore, 4.250" Stroke, 6.385" Rod, 1.270" CD, .990" x 2.930" Pin

Part Number	12431
Bore	4.280"
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	Dish
Volume	-8.5cc
Ring Stack	1/16" 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)
• 4130 Chrome Moly Wrist Pins 0.185" Wall DLC Coated
• 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 0.165" 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- 09024280