25HP 460cc Go-Kart & Golf Cart Racing Engine - Assembled w/Billet Rod
These Built engines are custom made to our specifications and are the only 458cc Honda GX390 "big bore clones" available for purchase in the United States.
Finish Machined & Assembled in Las Vegas, NV...All Engines are test ran to ensure you dont receive a defective engine!
- 92mm Bore x 69mm Stroke = 458cc
- 246 Duration .260" Lift Custom Camshaft
- Lightweight Flat-Top Piston
- 4.51" Billet 7075 Aluminum Connecting Rod w/Bearing
- Chromoly Pushrods
- 35lb Heavy Duty Valve Springs
- 10:1 Compression
- 0.026" MLS (Multi-Layer Steel) Headgasket Included - The strongest headgasket on the market!
- Deck Height = 6.890"
- Adjustable Tuned Carb Included
- 1" Shaft with 1/4" Keyway
- No Rev Limiter or Governor
- Heavy Duty 10-Bolt Engine Block (Modified Extra-Thick & Reinforced Casting) - The strongest clone engine block on the market!
- Isolator with Pulse Fitting Installed (No need to drill and tap your isolator to get engine vaccuum to your fuel pump!)
- 90 Day Warranty (When used in a standard golf cart or go kart racing application!) - Click here for Warranty Info
- 57Lbs Shipping Weight