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Engine, Racing, 420cc Big Block, Street & Track Special, Ready to ship!!!!
Engine, Racing, 420cc Big Block, Street & Track Special, Ready to ship!!!!


 
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Our Price: $1,039.98

Stock Status:In Stock
Part #: ENG-RAC-420-SPC

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GX390 Bored - Gas
34mm Round Slide Mikuni - Gas [+$105]
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Description -
 

NO WAITING, READY TO SHIP

420cc Race Ready Engine!!! Approx 25hp, this engine will pull hard from 2500 to over 6000 rpm. Ready to race or just have fun with it.

  • 420cc Race Prepped Assembly (Hemi or OHV depending on availability
  • Electric Start
  • Open Element K&N Style Air Filter
  • Removal of governor
  • HD Valve Springs
  • Billet Flywheel
  • Bored 24mm Stock Appearing Carb
  • Throttle Linkage (Cable style)
  • Flat Top Piston
  • 260 Lift Cam
  • Billet Rod +.040 Longer

Options:

  • 34mm Round Slide (adds 3 days to ship date)
  • Fuel Pump (adds 1 day to shipping date)

MOTORS SOLD FOR ORGANIZED COMPETITION PURPOSES OR EXPORT ONLY . (NOT FOR USE ON ANY EQUIPMENT, OFF ROAD, RECREATIONAL, OR EMISSIONS CONTROLLED APPLICATIONS. DOING SO IS A VIOLATION OF FEDERAL LAW) .

Unless Stated, Engines do not come with Tank, Muffler/Exhaust, or Linkage

Filter should be sprayed with K&N type oil, especially in dirt applications. Oil not included click here

Picture & dyno sheet for reference only, Color/style may vary. Dyno sheet for reference only. Engine is not dyno'd

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