Cart
0
Sign In
My Account
Services
Tech Center
Racing Team
Products
Info & Forms
Vortex
About
Shop Products
Back
Engine Rebuilding Process
Engine Rebuilding
2-Stroke Porting
4-STK Cylinder Head Center
Custom ATV Builds
Machine Shop Services
Engine Work Order Form
Shipping Tips
Engine Rebuilding FAQ
Back
Instructions
Technical Documents
Rebuild Process & Shipping
Back
Sponsors
Trackside Support
Apply For Sponsorship
Back
2-Stroke Engine
2-Stroke Engine
4-Stroke Engine
4-Stroke Exhaust
Back
Shipping Tips
Standard Work Order Form
Engine Work Order Form
Retail Price List
How to Ship your Quad
Credit Card Authorization
Fat Boy 4 Warranty
Dealer Application Form
DRI Terms
Back
Vortex Warranty
Purchase Vortex
Vortex ECU Installation and Tuning Tips
Technical Documents
Who Uses Vortex
Back
History
Photos
DRI in Print
Contact Us
Sign In
My Account
Cart
0
Services
Engine Rebuilding Process
Engine Rebuilding
2-Stroke Porting
4-STK Cylinder Head Center
Custom ATV Builds
Machine Shop Services
Engine Work Order Form
Shipping Tips
Engine Rebuilding FAQ
Tech Center
Instructions
Technical Documents
Rebuild Process & Shipping
Racing Team
Sponsors
Trackside Support
Apply For Sponsorship
Products
2-Stroke Engine
2-Stroke Engine
4-Stroke Engine
4-Stroke Exhaust
Info & Forms
Shipping Tips
Standard Work Order Form
Engine Work Order Form
Retail Price List
How to Ship your Quad
Credit Card Authorization
Fat Boy 4 Warranty
Dealer Application Form
DRI Terms
Vortex
Vortex Warranty
Purchase Vortex
Vortex ECU Installation and Tuning Tips
Technical Documents
Who Uses Vortex
About
History
Photos
DRI in Print
Contact Us
Duncan Racing International
Shop Products
2-Stroke Engine
< Store Home
Category
All
2-Stroke Engine Kits
2-Stroke Engine Specialty Items
2-Stroke Porting and Head Mods
2-Stroke Pro Flow Air Cleaner Kits
Carburetors-Keihin 2-Stroke
Complete Engine Rebuilding
DRI
Intake Components
K & N Filters and Outerwears
Machining Services
PC 2000 Power Cylinder
PTR Power Heads
Pyramid Reed Valves
Suzuki
CALL FOR DETAILS/AVAILABILITY
Suzuki LT 500 Porting & Head Mods
$595.00
CALL FOR DETAILS/AVAILABILITY
Honda ATC/TRX 250R Porting & Head Mods
$595.00
Pyramid Reed Valve Yamaha Banshee
$399.95
CALL FOR DETAILS/AVAILABILITY
Air Box Ring Honda TRX 250R
$29.95
Honda ATC/TRX 250R Pyramid Reed Valve
$249.95
Honda ATC/TRX 250R Baseplate
$49.95
CALL FOR DETAILS/AVAILABILITY
Honda ATC/TRX 250R ELIMINATOR or HIGH REV Engine Kit
$2,495.00
CALL FOR DETAILS/AVAILABILITY
Honda ATC/TRX 250R NATIONAL Engine Kit
$2,495.00
CALL FOR DETAILS/AVAILABILITY
Honda ATC/TRX 250R Powerhead
$249.00
CALL FOR DETAILS/AVAILABILITY
Suzuki LT 500 DRI ELIMINATOR Kit
$2,999.99
CALL FOR DETAILS/AVAILABILITY
Suzuki LT 500 DRI NATIONAL Kit
$2,995.00
CALL FOR DETAILS/AVAILABILITY
Suzuki LT 500 88-90 Powerhead
$399.95
Suzuki '88-'92 LT 250 Pyramid Reed Valve
$249.95
CALL FOR DETAILS/AVAILABILITY
Yamaha Banshee POWERHEAD
$399.00
Yamaha Blaster Pyramid Reed Valve
$249.95
Yamaha Banshee MasterFlow
$299.95
CALL FOR DETAILS/AVAILABILITY
Yamaha Banshee NATIONAL Engine Kit
$2,995.00
Yamaha Blaster MasterFlow Intake Manifold
$159.95
CALL FOR DETAILS/AVAILABILITY
Banshee 34mm Keihin Carburetor Kit
$699.00
Pyramid Reed Valve Suzuiki LT 500 88-90
$249.95
CALL FOR DETAILS/AVAILABILITY
Banshee 35mm PWK Carburetor Kit
$699.00
CALL FOR DETAILS/AVAILABILITY
Banshee 403cc ELIMINATOR Kit
$4,795.00
Banshee Adjustable Timing Stator Plate
$129.95
Banshee Billet Water pump Shaft
$129.95
CALL FOR DETAILS/AVAILABILITY
Banshee Crankshaft Weld & True
$100.00
CALL FOR DETAILS/AVAILABILITY
Banshee NATIONAL Porting & Head Mods
$795.00
CALL FOR DETAILS/AVAILABILITY
Banshee Shift Star Modification
$50.00
Banshee Waterpump DR Drain Cover
$49.95
CALL FOR DETAILS/AVAILABILITY
Blaster Keihin 34mm Carburetor
$399.95
CALL FOR DETAILS/AVAILABILITY
Blaster Keihin 35mm PWK Carburetor
$379.00
CALL FOR DETAILS/AVAILABILITY
Crankshaft Rebuilding
$195.00
CALL FOR DETAILS/AVAILABILITY
Cylinder Boring
$150.00
CALL FOR DETAILS/AVAILABILITY
Flywheel Lightening
$150.00
CALL FOR DETAILS/AVAILABILITY
Hon TRX 250R Rebuilt Balancer
$175.00
K&N Air Filters and Outerwears
$0.00
CALL FOR DETAILS/AVAILABILITY
Keihin 38mm PWK Air Stryker Carburetor
$399.00
CALL FOR DETAILS/AVAILABILITY
Keihin 39mm PWK Carburetor
$449.00
CALL FOR DETAILS/AVAILABILITY
PC 2000 POWER VALVE CYLINDER
$2,495.00
CALL FOR DETAILS/AVAILABILITY
Suzuki LT 250R POWERHEAD
$299.95
CALL FOR DETAILS/AVAILABILITY
Suzuki LT 500 ' 87 Powerhead
$349.95
CALL FOR DETAILS/AVAILABILITY
ProX 2-Stroke Piston Kits
$0.00
Pyramid Reed Valve Replacement Parts
from $0.20
CALL FOR DETAILS/AVAILABILITY
YUKON HD Transmission Gear Sets
$995.00
CALL FOR DETAILS/AVAILABILITY
Yamaha Blaster NATIONAL & HIGH REV Engine Kits
$0.00
CALL FOR DETAILS/AVAILABILITY
Banshee Rebuilt Crankshaft
$595.00
CALL FOR DETAILS/AVAILABILITY
CBR (Formerly PWR) Radiator
$499.00
CALL FOR DETAILS/AVAILABILITY
Yamaha Blaster Porting & Head Mods
$595.00
CALL FOR DETAILS/AVAILABILITY
Suzuki LT 250 Porting & Head Mods
$595.00
CALL FOR DETAILS/AVAILABILITY
Keihin 36mm PJ Carburetor
$0.00
CALL FOR DETAILS/AVAILABILITY
Keihin 37.3mm PJ Carburetor
$0.00
Suzuki '87 LT 250 Pyramid Reed Valve
$249.95
CALL FOR DETAILS/AVAILABILITY
Suzuki '87 LT 500 Pyramid Reed Valve
$249.95
CALL FOR DETAILS/AVAILABILITY
Suzuki LT 250R NATIONAL Engine Kit
$0.00
CALL FOR DETAILS/AVAILABILITY
Suzuki LT 250R ELIMINATOR & HIGH REV Engine Kits
$0.00
CALL FOR DETAILS/AVAILABILITY
Keihin 38mm PWK Carburetor
$449.00
CALL FOR DETAILS/AVAILABILITY
DRI Custom Jet Kits
from $99.00
Complete Engine Building
$0.00