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
• High 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.

*Notes: Unless stated, engines do not come with tank, muffler/exhaust, or linkage. Picture is 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 approximately 1 to 3 weeks to ship, depending on season.

*We offer $10 off shipping costs for each engine if purchasing 3 or more. If shipping cost exceeds $130 in shopping cart, contact us for alternate freight methods. We can typically ship a pallet of engines for $130-$200, depending on delivery location.