Diamond 31020 Small Block Ford Street / Strip Flat Top Pistons -6cc , 4.125" Bore, 3.500" Stroke, 5.956" Rod, 1.764" CD, .912" x 2.750 Pin

Compression Ratios

58cc	62cc	66cc
11.3:1	10.8:1	10.3:1

Part Number	31020
Bore	4.125"
Stroke	3.500"
Rod Length	5.956"
Comp. Height	1.764"
Wrist Pin	.912" x 2.750"
Top Ring Down	.260"
Piston Material	2618 Alloy
Piston Style	Flat Top
Volume	-6cc
Ring Stack	1/16" x 1/16" x 3/16"

  Available Options

• Moly Skirt Coating
  
• Ceramic Dome Coating
  
• 4130 Chrome Moly Wrist Pins 0.155" Wall
  
• H-13 Tool Steel Wrist Pins 0.145" Wall
• 9310 Endurance Alloy Wrist Pins 0.145" Wall

Recommended Piston Ring Set- 09024125