Welcome to the Extreme Engine Systems Online Catalog

Extreme Engine Systems can provide stock, custom, or spec engines which can get you to the front of the pack - and let you breathe easy in tech.  Our engines push the limits, without going over the line.  If you want a custom or modified engine, we can give you all the power you want. 

This page contains links to all Extreme Engine Systems catalog sections for GX390 engines.  All files are in Adobe PDF format.  If you do not have a PDF viewer, click here to visit the Adobe website and download it for free. 

Minicup Racers - We have special sections for several minicup sanctioning bodies.  Look under the "Extreme Engine Systems" section of our catalog below.  If you race with one of these, click on the special page for your group to see the EES package that will give you all the legal power you can get. 

Click on the product or service below that you are interested in and you'll download that page of our catalog in PDF format.  For more information, call Extreme Engine Systems at 828-681-8337

Products and Prices are subject to change without notice.

EES Products   Extreme Shop Services
Adjuster Cable   Block
Adjuster Dial   Cylinder Head
Adjustible Main Jet   Camshaft
Air Filter   Balancer
Arc Billet Rod   Crankshaft
Axle Bearing Lube MicroBlue   Flywheel / Fan
Axle Bearing MicroBlue   Connecting Rod
Carb Bowl Reform Tool   Piston
Caster/Camber Gauge   Extreme Cam Grinds
Chain BreakTool   Extreme Engine Rebuild
Cramac Racing Oil     
Douglas Wheels   Extreme Engine Systems
EK Chains   MMRA Engine System
Flywheel Puller Kit   FMCRA Engine System
Fuel Filter   BDE / SRL Engine System
Fuel Pump   Extreme Modified Engine System
Gears, Gear Chart, Gear Guards    
Header Stabilizer    
Headers    
Hoosier Racing Tire    
Honda Engines   Honda Carburtors
Horstman Redhawk Clutch   Honda Carbs / Parts
Jet Block   Extreme Carb Systems
My Chon 3 Tach    
Noram Clutch   GX390 Engine Stock Parts
Linkage Kit   Valve Train
Prolong Engine Treatment   Gaskets
Robic Stopwatches   Piston
Sedec Race Pro III Tach   Rod
Spark Plugs NGK   Engine Components
Sprocket Gears Horstman   Nuts / Bolts
Sprocket Gears Premier   Crankshaft
Sprocket Guards    Flywheel / Fan
Sprocket Holders   Spark Plugs
Sprocket Hub Horstman    
Sprocket Hubs Premier   N/C Predator
Tire Gauge   Afco Coil Kit
Titan Clutch   Afco Shocks
Valve Stems   Afco Springs
  Aluminum Panels
Extreme GX390 Parts   Axle
ARC Billet Rod   Axle Bearing Cassette
EES Fan Cover   Axle Bearings
EES Head Dowel   Axle Hub
EES Heat Shield   Axle Lock Collar
EES Solid Case Dowel   Axle Spacers
Extreme Crank Bearing   Battery Box
Extreme Cut Crank Keys   Body Bolts
Extreme Guide Plate   Body Mount Rub Kit
Extreme Honda Piston   Brake Kit
Extreme Honda Rod   Brake Line Kit SS
Extreme Light Wrist Pin   Bumpers
Extreme Molly Face Rings   Cradle
Extreme Titanium Rod Bolts   Cradle Stiffeners
    Decal Kit
Extreme Valve Train   External Brake Reservoir
Extreme 2 Piece Keeper   Front Assembly
Extreme Aluminum Spring Retainer   Front Clip
Extreme Chrome Molly Push Rods   Fuel Cell
Extreme Guide Plate   Height Adjuster / Block
Extreme Lash Cap   Hinges
Extreme Light Valves   Hub Front
Extreme Rocker Arms   Hub Rear
Extreme Stainless Steel Big Valves   Hub Spacer
Extreme Stainless Steel Valves   Lead Weight
Extreme Valve Springs   Lead Weight Box
  Lower A Arm
Impact Racing   Pan Hard Bar
Champ Helmet   Pedals
Charger Helmet   Predator Specs
Crew Gloves   Rear Clip
Draft Helmet   Rookie Blocks
Face Shields   Safety Belts
Gear Bag   Seat UltraShield
Gloves   Spindles
Helmet Bag   Streering Components
Mini Champ Helmet   Steering Wheel
    Streering Shaft / Quick Release
Lightning Light   Studs and Lugs
Minicup Bodies   Upper A Arm
    Window Net
    Wiring Harness