Save yourself the headache of a worn out chassis. The Catalyst M...
BOYESEN REEDS ARE WORKING REALLY WELL IN THE CAT 6000 MOTOR. RECENT...
Get the most power out of your Catalyst with this complete kit! Our...
We have two different TRA primary springs. Yellow 160-320, a great spring for all altitudes and works great in etec motors where a higher engagement isn't needed Orange 200-300, a great spring for all altitudes, typically used to raise the engagement over stock. Great for all carbureted twin models. We have two different TRA primary...