Big Block GX and Clone Crankshaft - 64mm Stroke

Forged steel 64mm stroke replacement crankshaft for big block Honda GX390 and clone engines.

Rod journal diameter: 1.416"/35.966mm

Output diameter: 1"

Displacement:

• 88mm bore = 390cc
• 90mm bore = 407cc
• 92mm bore = 425cc
• 94mm bore = 444cc
• 95mm bore = 454cc