Diamond 31701 Small Block Ford Twisted Wedge / Race - Flat Top Pistons -7.7cc , 4.040" Bore, 3.000" Stroke, 5.090" Rod, 1.600" CD, .912" x 2.750" Pin

Compression Ratios

58cc	62cc	66cc
9.3:1	8.9:1	8.5:1

Part Number	31701
Bore	4.040"
Stroke	3.000"
Rod Length	5.090"
Comp. Height	1.600"
Wrist Pin	.912" x 2.750"
Top Ring Down	.300"
Piston Material	2618 Alloy
Piston Style	Flat Top
Volume	-7.7cc
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- 09024040