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Engine Kit, GX390 Stroker, 420 cc (+.200), Cast Crank, 88mm Cast Flat-Top

Engine Kit, GX390 Stroker, 420 cc (+.200), Cast Crank, 88mm Cast Flat-Top

$
Choose your options:
Crankshaft Balancing(optional):
Product Code: BILLETSTRKIT420C
420cc Engine kit. for GX390s

Comes With:
  • Aftermarket Cast Crank with .200 More Stroke, producing 420cc
  • ARC Billet Rod
  • Piston machined to fit kit
  • OEM Honda Rings
  • Wristpin & Clips

Puts piston at TDC, Note: This is not a bolt in kit, but for experienced engine builders.

Available unbalanced or Fully Balanced.

Also available for GX340, please email.

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