making you go fast is what we do best!
Contact Mike Downs
Downs Engineering
19564 Eighth St East
Sonoma CA 95476
phone: 707 938 1011
fax: 707 935 0481
email: mdowns@downsengineering.com

Property of Downs Engineering. All rights reserved.
Oil Sump Baffle/ Windage tray.
Controls oil surge in wet sumps
Takes oil off the crankshaft for
more power.
        $ 150.00
Hayabusa back Torque Eliminator
and Heavy Duty Springs

             $ 95.00
Heavy Duty Clutch Springs

             $39.00
Barnett Heavy Duty Clutches
Complete Set Driven and Drive

             $ 210.00
TRE Timing Retard Eliminator
Removes top speed restriction
Improves Throttle response
           $ 79.95
Hayabusa Oil Pump Gear
A must for wet sump engines
Increases pressure and volume
    $ 120.00
Looking for a gift idea for the Hayabusa owner on your Christmas list?
Here are a few ideas for you.

We have also listed some of the used parts we have at  great savings on the
bottom of the page


                                           Used Hayabusa Parts

Oil Pans  $35.00

Air Cleaner Boxes without the velocity stacks   $90.00

Connecting Rods  $35.00