4340 Forged Standard Weight Crankshaft 3.875 Stroke, 350 Main, 6.000 H-Beam Rods, CP Forged -6.8cc Flat Top Pistons, 2-PC Rear Seal

• 4340 Forged Standard Weight Crankshaft

• 4340 Stroker H-Beam Connecting Rods with 7/16" Cap Screws

• CP Forged Pistons

• Rod Bearings and Main Bearings

• Premium Performance File Fit Ring Set

• Rotating assembly is unbalanced (Internal Balancing required before installation) 
  
  Compression Ratio:

• 58cc 12.1:1

• 64cc 11.2:1

• 76cc 9.9:1