Heavy Duty Racing,Inc.

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Heavy Duty Racing,Inc. Specializing in motocross and off road motorcycle suspension and 2 stroke engine modification.

Need two stroke porting or a cylinder decked to change the port timing to help build torque ? We have you covered .
10/07/2026

Need two stroke porting or a cylinder decked to change the port timing to help build torque ? We have you covered .

Hit us up for all of your MX-Tech suspension needs.
09/29/2026

Hit us up for all of your MX-Tech suspension needs.

Hit us up for the best suspension!
09/21/2026

Hit us up for the best suspension!

Hit us up for all of your suspension needs.MX-Tech National ShockBlackjack forks Blackjack insertsRaven forksRaven inser...
08/28/2026

Hit us up for all of your suspension needs.
MX-Tech National Shock
Blackjack forks
Blackjack inserts
Raven forks
Raven inserts
Lucky inserts

Back on the menu.
08/02/2026

Back on the menu.

Showa shocks really need the MX-Tech low friction piston band .We use these on all of our builds.
07/21/2026

Showa shocks really need the MX-Tech low friction piston band .
We use these on all of our builds.

CR85 engine we v***r honed and rebuilt.
06/14/2026

CR85 engine we v***r honed and rebuilt.

WP cone valve tools now available.
06/07/2026

WP cone valve tools now available.

YZ250 head . From stock with a little damage , then machined into a Race Fuel, motocross properly set up head . Arguabl...
05/02/2026

YZ250 head . From stock with a little damage , then machined into a Race Fuel, motocross properly set up head . Arguably the best 80.00 you will spend on you YZ250, yz250x .

A before and after picture of a repair we did to a Honda CR85 head .
01/24/2026

A before and after picture of a repair we did to a Honda CR85 head .

Address

225 Paynes Lane
Stafford, VA
22554

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