Diamond 12721 Big Block Chevrolet - Nitrous - Dome Pistons, 41.0cc, 4.610" Bore, 4.500" Stroke, 6.700" Rod, 1.240" CD, .990" x 2.930" Pin

Part Number	12721
Bore	4.610"
Stroke	4.500"
Rod Length	6.700"
Comp. Height	1.240"
Wrist Pin	.990" x 2.930"
Top Ring Down	.325"
Piston Material	2618 Alloy
Piston Style	Dome
Volume	41.0cc
Ring Stack	.043" x 1/16" x  3/16"

  Available Options

• Moly Skirt Coating
• Ceramic Dome Coating
• Hard Anodized Coating
• 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- 09234610