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The DRI Starting Line

Duncan Racing International, Inc - 10734 Kenney Street Suite.A Santee, California 92071 USA
Mention the promo code- WSFS -and get *Free Ground Shipping (in the continental U.S)
when you call or E-mail in an order.
Click HERE for the
DRI Tech Docs & Information Center
Click HERE to download
the DRI Work Order Form
* You must call in and mention "Web Special" to get Web Only Special*

Complete Engine Rebuilding
2 Stroke & 4 Stroke Porting,
Serdi Valve Seat Machining,
Cylinder Boring/Resleeving,
Crankshaft Rebuilds
High Performance Engine Kits;
2 Stroke & 4 Stroke
Dyno Tuning And Testing


You ship us your parts - We do the modifications
We ship it back to you!

Fat Boy 4 Exhausts, Fat Boy 2 Silencers,
Paul Turner Pipes, PC 2000 Cylinders,
PC 4000 Cylinders, Powerheads and Pyramid Reed Valves
are all proprietary products of Duncan Racing International, Inc.
Contact Duncan Racing about Vortex ECU & CDI's
for popular Motorcycle and UTV Models!



 Duncan Racing International Inc BBB Business Review 
Duncan TRX470R
Click For This Months Tech Question
Duncan Racing is a proud member of the following organizations: