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.
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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.
| Keihin FCR emulsion tube by F Pro Factory Pro's HDJ emulsion tubes for mx type, original equipment FCR carbs. and Aftermarket horizontal FCR carbs also avail 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 |
FACTORY PRO's
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