439cc Engine - Go Kart Racing - Gx390 Gx420 Gx440 Clone - 18hp


439cc Engine - Go Kart Racing - Gx390 Gx420 Gx440 Clone - 18hp

This item has been shown 0 times.

Buy Now

439cc Engine - Go Kart Racing - Gx390 Gx420 Gx440 Clone - 18hp:
$300


These engines are made to our specifications and are the only 18-Horsepower Straight-shaft 439cc Honda GX390 "big block clones" available for purchase in the United States. Specifications:
-92mm Bore x 66mm Stroke
-8.75:1 Compression
-3 Angle Intake Valve Seat
-36mm Intake & 31mm Exhaust Valves
-38lb HD Valve Springs Factory Installed
-29 Degrees Timing BTDC (8-Degree Timing Key Included)
-Cam Specs : 220/212 .260/.240 110LSA
-Extra-thick Cylinder Head Deck (41cc Chamber) Can be milled over .150"<
-Uses all GX390 Parts (Billet Rods, Flywheels, Cams, etc) - Cam journal is NOT 0.008 oversize like most clones
-Lightweight 235gram Connecting Rod
-388gram Piston & Wrist Pin (-7cc Dish)
-Oil Sensor and Speed Governor have been removed and holes are plugged.
-Balance Shaft included
-1" Output Shaft w/1/4" Keyway
-All Engines are Test-Run before being shipped.
-This engine is ready to put on your Go Kart and go racing! These have a noticable edge over the similar 420 clones.
-Available in Recoil Start only!We also offer Cylinder Head porting & milling for more compression, Billet Rods & Flywheels, Rocker Arms, Stainless valvetrain, Performance Cams and much more...


Vegas Carts & Performance
2995 Coleman St
North Las Vegas, NV 89033
702-530-7753


439cc Engine - Go Kart Racing - Gx390 Gx420 Gx440 Clone - 18hp:
$300

Buy Now



Birel History Of Karting New picture
Birel History Of Karting New


Birel Zippered Vest Red White Embroidered Size L Euc  picture
Birel Zippered Vest Red White Embroidered Size L Euc


 Rental Fleet Closeout Birel N35 Karts   picture
Rental Fleet Closeout Birel N35 Karts


4 Quart Low Profile Aluminum Go Kart Fuel Tank, picture
4 Quart Low Profile Aluminum Go Kart Fuel Tank,


 Wheel And Tire 6in.circle Rim Burris Ss33a Tire 11x6x6  American Pattern Wheel picture
Wheel And Tire 6in.circle Rim Burris Ss33a Tire 11x6x6 American Pattern Wheel


Mcculloch Mc-10 Vintage Racing Go Cart Motor Engine Pull Starter Mc10 Mcculloch picture
Mcculloch Mc-10 Vintage Racing Go Cart Motor Engine Pull Starter Mc10 Mcculloch