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Found 192 results

  1. 3 reviews

    DESCRIPTION WEB-CAM has been hard welding and grinding cams since 1945. With our knowledge, and long time involvement with the racing industry WEB-CAM has proven to be the best! RE-GRIND CAMS Any part # listed under 'Regrind", indicates that we will precision grind your camshaft to the specifications indicated. Note that in many cases you can reduce your down time by purchasing a cam core outright in addition to the grind. ORDERING: Please CALL us to ORDER all REGRINDS at (603) 378-0090 HARD-WELD CAMS On some profiles, Web-Cam welds a hard face overlay to the existing lobe of your camshaft using the most advanced alloys. This has been proven extremely durable. In addition all of the same details for cores and outright cam purchases indicated under "Regrind" apply. These are the finest camshafts available. NEW CAMSHAFTS All part #'s listed under "New Cam" refer to the specifications precision ground onto a new cast camshaft. All grinds are carefully checked and double heat treated for long life. No exchange is necessary as this is an outright purchase.
  2. 2 reviews

    GENERAL INFORMATION Over sized intake valves to suport the BB/stroker
  3. 21 reviews

    Save yourself thousands in costly repairs! The ThumperTalk Manual Cam Chain Tensioner (MCCT) is designed to replace the automatic and hydraulic tensioners found on today's hi-performance 4-stroke engines. Factory automatic adjusters can back out when the throttle is suddenly closed at higher rpms. This allows the cams to momentarily go out of time and can result in bent valves and/or serious engine damage! Hydraulic tensioners have a tendency to put too much tension on the chain guide under high rpm/high oil pressure conditions, resulting in premature cam chain wear. Installation of a ThumperTalk Manual Cam Chain Tensioner will allow you to maintain the proper, constant cam chain tension necessary for reliable hi-performance riding and it will not backout. This is a high quality product, proudly made in the USA. There are thousands of these units in service, so buy in confidence! Precision machined billet aluminum body Oring seals, both on the body and threads Stainless steel adjuster bolt & locknut Clear anodized body for long lasting good looks
  4. 1 review

    Exhaust valves bear the brunt of increased temperatures and stress but are popular choices due to their high tulip design Greatly improved with Inconel, a super alloy high-nickel material, which retains its mechanical properties at higher temperatures than the most extreme duty exhaust valves available in the past
  5. 2 reviews

    Extensive R and D on all applications to provide high performance components that last longer than OEM Super-clean silicon wire used in valve springs is ground, not shaved, and X-rayed at regular intervals to check for flaws Spring kits come complete for one motor and include instructions All components made in the U.S.A.
  6. 30 reviews

    Stage 2: single-cam motor. Stage 2 similar low end power to OEM cam and increased power above 5,000 RPM. Better suited for engines that have intake and exhaust modifications as well as mild engine modifications. Uses stock valve springs and rockers. Uses stock auto-decompression mechanism.
  7. 0 comments

    Its a 10 year old motocross bike, with very low hours. Perfect for an Enduro conversion. This bike astounds me. One day I'm riding MX on a track, the next I'm riding in the desert on single track. Its unstoppable, and just so easy and forgiving. I love this bike.
  8. 0 comments

    Love it, it gave me some problems before the rebuild but now it's better than ever. Big bore gives it crazy bottom end and the cam makes up for that loss off the top. Awesome bike all around.
  9. 0 comments

    Great bike monster power delivery after you install stage 1HotCams setup both camshafts exhaust and intake starts first are second kick rode new 2015 450 and believe they both have same amount of horsepower but power delivery is a little different on the both the only downfall is the yz426F is a bit on the heavy side and bike sets way to high unless you're 6ft are taller but besides some down falls its a pretty indestructible bike for being a 2002 model perfect for motocross are a good in the woods trial bike you either love the bike are hate the bike for me its a great all around motocross machine but really wish it set lower to the ground that's the only downfall that I hate the most of the Yz426F so im finished talking about the 2002 Yamaha yz426F im out peace sincerely Andrew Schmeerbauch. 6/18/2015<br /><br />
  10. 1 review

    GENERAL INFORMATION This is a high performance valve spring set made by APE. Sold by bigborethumpers. The springs are correct for installing with stainless steel intake valves, the set includes machined titanium valve retainers, the springs and the keepers. All manufactured in house at their facility.
  11. 1 review

    Most of us would rather ride than wrench, but with the Hot Cams Valve Shim Kit you can at least get your valve adjustments done quickly and accurately while saving some money. This Valve Shim Kit from Hot Cams will save you from unnecessary trips to the store or ordering incorrect shim sizes since you’ll have all the shims you need on hand for pretty much any clearance. These shims are precisely manufactured with the exact diameter for your machine and are sized in convenient increments for a total of 47 different sizes of shim. 3 shims are included for each size and are organized in a compartmentalized plastic container to keep all of your 141 total shims together.
  12. 1 review

    DESCRIPTION Stage 2 Gold Series: Dual cam engine. Intake and exhaust cams sold separately. Mid to top RPM application. Requires valve spring kit PART #VSK4001IN. SPECIFICATIONS Exhaust Duration (Degrees at 1mm): 256.00 Exhaust Lift (mm): 8.76 Exhaust Lobe Center (Degrees): 102.50 Exhaust Valve Lash (mm): .20 Intake Duration (Degrees at 1mm): .00 Intake Lift (mm): .00 Intake Lobe Center (Degrees): .00 Intake Valve Lash (mm): .00 Shim Kit: HCSHIM01 Exhaust Duration (Degrees at 1mm): .00 Exhaust Lift (mm): .00 Exhaust Lobe Center (Degrees): .00 Exhaust Valve Lash (mm): .00 Intake Duration (Degrees at 1mm): 261.00 Intake Lift (mm): 8.79 Intake Lobe Center (Degrees): 110.00 Intake Valve Lash (mm): .15 Shim Kit: HCSHIM01
  13. 0 comments

    Bought an old race quad and redid it. Ended up buying new plastics, so there are pics with it yellow, some red, and all red.
  14. 0 comments

    Solid bike, fun to ride.
  15. 0 comments

    This bike suits my riding perfectly. With a tooth down on the front sprocket, this bike loves super tight single track, more technical the better. After playing with the stock suspension adjustments it tracks great even on the rockiest, wet rooted trails. Can't say enough good things about this bike. With typical maintenance and stainless steel intake valves swap, the bike has a long life ahead of it on the PA mountains.
  16. 0 comments

    Great starter bike. Very easy to ride and a lot of fun. Pretty heavy and not really that fast, but still an awesome bike.
  17. i need to order new springs for my new pro circuit cam , and i was told from prev owner he did a valve job , how can i tell if the valves are stainless steel , or titainium , i have the head off now , valves where not bad so i dont want to change them , just need to order the correct springs
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