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Found 176 results

  1. ThumperTalk

    Pro Circuit Forged Clutch Lever

    1 review

    Pro Circuit Brake levers are made by Sunline and forged from 6061 T-6 aluminum for strength and durability They are designed to fit the stock perch and exceed OEM specifications Black finish
  2. The Beach

    Kawasaki KLX300R (1998)


    Decent trail machine
  3. tylertrudelle22

    Suzuki RM125 (2004)


    bike would be good but I bought it spring 2014 ran few months and ever since it melted down the first time I have been chasing a lean condition ever since iv put 3 top ends cylinder and all on it ad just lst another piston have done everything imaginable crank crank seals and bearings new head had the power valve serviced professionally and had the bike rejetted professionally

    Honda CR250R (2001)


  5. caidenw11

    Kawasaki KX125 (1989)


    Awesome bike :)<br />
  6. nbell59

    Yamaha WR200 (1992)


    great bike, 1997 mod, heaps of mods, proper race bike
  7. xwr3ckx

    Honda CR250R (1999)


    Bought it as a basket case. First time rebuilding a dirt bike. Starts first kick, loads of power, handles real well. Love this bike!
  8. lilmandrny

    Kawasaki KX250F (2011)


    Fuel injected, light weight, nice suspension
  9. NickelcityRidgerunner

    Kawasaki KX250F (2006)


    Great bike, very fast. Made the switch from a honda to this and I enjoy the ride on this alot better. A little harder to maintain but I can live with that.
  10. KAWIman35

    Kawasaki KX250 (2006)


    Good motor, great styling, but doesn't turn worth a poop. Its a kawasaki though so I still love it. Its not really stock anymore though.
  11. The Beach

    Kawasaki KX250 (1995)


    Great bike! Plenty of power for this guy!
  12. DarkCRF

    Pro Circuit Camshaft

    5 reviews

    CAMSHAFT DESCRIPTION: The Pro Circuit Camshaft helps to increase the performance of your dirt bike. The Pro Circuit Camshaft is designed and manufactured in the USA, and is meticulously designed and tested with the assistance of our championship-winning race team before being filtered down to our customers.
  13. sethpineapple

    Honda CRF250R (2009)


    Seems to be a pretty cool bike, have only had it for 2 days- its the black limited edition from 09 Used to be a factory race bike I think, it has pro circuit works suspension (front and back), pro circuit ti4r full system, pro circuit camshaft, pro circuit triple clamps, linkages and several other parts that arent standard. I used to ride a yz250 and this isnt much slower at all.
  14. 13 reviews

    Feature a longer midsection than the Shorty for noise-conscious riders and more noticeable over-rev Excellent replacement for the OEM silencer while offering impressive performance gains 6061 T-6 brushed aluminum housing 304 stainless steel intake tube Double-walled mounting brackets FIM-approved 304 stainless steel end cap Steel Allen head screws for re-building/repacking Exclusive E-glass pillow packing Sold in pairs Must be used with Pro Circuit pipes Euro-style end cap
  15. ThumperTalk

    Pro Circuit Head Pipe

    3 reviews

    Titanium head pipes are required on some models for maximum engine power; lightweight and hand-assembled fora perfect fit and Works-type finish
  16. HoldenMuhGroin

    Honda CRF450R (2010)

    1 comment

    My brand new 2010 CRF450R. Thing barks like an animal. Went for a ride in the forest and it just powers through anything.
  17. Danny F

    Honda XR400R (2002)


    Great trail bike. Pretty much bullet proof in stock form. Used to race some enduro's with it years ago. In stock form it has always been on the slow side, but hey, it is a trail bike. It is very comfortable. Have had this bike going on 14 years, and I still love it.
  18. dirtbiker247

    Yamaha YZ250 (1999)


  19. Greg Motard

    Honda XR400R (2002)


    Had her for only a few months. Absolutely love the bike! Gets amazing gas milage, around 65-70, and rather spirited riding. Handles great in the turns, very light and predictable
  20. 1 review

    GENERAL INFORMATION Indicates parts to be supplied by customer (this cost is for your bare cylinder head, no valves, valve springs etc). If you would like CGH to strip/rebuild your cylinder head this will incurr extra charges. Pro Circuit four-stroke cylinder head tuning to your own cylinder head. Send your cylinder head to CGH and we will forward this to Pro Circuit USA to be modified in house, once this has been completed it will be then returned to CGH and then returned to you. The above cost includes the cost of sending your standard bare head to Pro Circuit USA, modifications by Pro Circuit USA and return to CGH plus all of your import duties, vat, delivery etc (no hidden costs, unless we have to strip your cylinder head valves, valve springs etc - check with us for this cost if required). There is a fine line to building an engine. If the limits are pushed too far (like many engine builders do) there are reliability issues. Pro Circuit's goal is to give you the very best in high-performance service without any loss of reliability. Pro Circuit engine modifications will give you increased power from bottom to top! Pro Circuit has specialized in motor modifications since the early two-stroke Husky days. Our expertise in building the world's most advanced engines is a direct result of working with the fastest and most talented racers. Riders like James Stewart, Ricky Carmichael, Ryan Villopoto, Chad Reed and more have been a great help in our engine development process. In addition, every motor we build is thoroughly tested using our flow bench and race shop dynos. From two-strokes to four-strokes, races bikes to ATV's, almost any machine can benefit from Pro Circuit motor modifications. This modification does not include copper valve seats or installation, this option can be added to your head while at Pro Circuit USA - please contact us for prices. You can also buy a brand new cylinder head from Pro Circuit with these modifications if you have a damaged cylinder head - please contact us for prices.