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Engine, Racing, 420cc Big Block, Package 1
Engine, Racing, 420cc Big Block, Package 1


 
Our Price: $509.98

Stock Status:(Out of Stock)
Part #: ENG-RAC-420-PACK1

Select Carburator

Stock Carb
GX390 Bored - Gas [+$66]
Crankshaft Type/Options

Stock Crankshaft
69mm Stroker Crank, cast (440cc) [+$113]
Select Flywheel

OEM (Chinese) Flywheel - Electric Start (Not Recommended)
Aluminum Flywheel - Electric Start [+$166]
Add Fuel Tank & Pump Options

None
Additional Options

Add Billet Connecting Rod (4.450) [+$354]

Add Twister Cam [+$52]

Qty:
Description -
 

Ready to install 420cc “Big Block” Race Engine prepped including:

· Electric Start

· Open Element Air Filter Assembly

· Removal of governor

· HD Valve Springs

· Advanced Timing

· Re-jetted carb

Options:

· Billet Flywheel

· Hi Torque Cam

· Billet Rod(due to lack of bearing, stock rods are prone to failure)

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)

WARNING: TO PREVENT SERIOUS INJURY AN ALUMINUM FLYWHEEL SHOULD BE USED ON ALL MODIFIED MOTORS

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

Picture for Reference Only, Color/Style may vary, Fuel Pump package not included unless specified

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

Engines are built to order and take approx 1 to 3 weeks to ship depending on season


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