Over 4.3 million tuners and riders have visited the Factory Pro website - up to 1000 a day - More tuning Tech Info than almost anybody.
"This Tuning Site has been visited by performance minded people."
Our address is 101c Roblar, Novato, CA, 94949
800 869-0497 and new 415 883-5620
for shop work, call 415 883-5620 to talk to Marc.
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by F Pro
Factory Pro's HDJ emulsion tubes for mx type, original equipment FCR carbs.
Aftermarket horizontal FCR carbs
Downdraft FCR carbs
|Replaces the original FCR emulsion tube. Makes
more power and improves throttle response.|
On a test yz250f, we gained 5% to 7% hp at peak and better part throttle.
The FCR secret.
FCR emu tubes
28, 31, 33, 35, 37,39,41mm
pn: CRZ-EMU-125k / 036
for orig equipment horizontal mx type Keihin FCR carbs
Ducati 748r/rs and 996sps " no miss" chip
Ducati eprom - Avail. again
EVO Shift STARS
Superflare Billet Velocity Stacks
Vintage Supersport Carb kits
ECU Pro Power flashing
Thx, Marc & Team Factory Pro