Racers ER / Fastheads.com has assembled a complete valve adjusting kit including shims and the needed measuring tools to properly adjust motorcycle shim type valve trains. This particular package is for 450cc Japanese motocross motors using 9.48 diameter shims. The shim kit comes in one marked and divided containers with three shims each size from 1.20 to 3.50mm in increments of .05mm / .002". They won't fit the 450 KTM. A 32 blade metric thin top tapered feeler gauge set 0.03mm/.001" to 1mm/.040" 95mm long. The smaller sizes are in half thousanths, perfect for checking shim bucket type valve trains. These tools will also let you check most all other engine clearences. All these items combined retail for $120.

Also included is the Racers ER / Fastheads.com guide on "Understanding valve adjustments and creating a reliable dirt bike head".

We specialize in Motocross head machining! All machining is performed on our Rottler SG7 seat and guide machine for perfect concentricity. Old school methods do not work on these new race heads. Valve, guide and seat wear and reliability is a direct result of precision seat machining explained in the head report. Make sure you check with us before writting off a destroyed head. We even fix lifter bores and cam journals.

Kits for 450cc motors using 9.48 OD shims are available in our Ebay store under tools. If you need both sizes we can supply the 9.48 shim kit without tools for $69.95. No extra shipping charges. You will need to call to add this on. We also offer a "Shim Kit and Adjusting tools" kit, that comes with the above item and a digital caliper. Please check out our eBay store for those as well.

Racer's E.R. rebuilds and modifies off road dirt bike and ATV engines and heads to match your needs at prices and leed times that are unusual in this industry. We offer valve seat machining using our incredibly accurate and race developed Rottler SG7 seat and guide machine specially tooled for the powersports industry. Racer's E.R. offers one of the largest dirt bike mail order rebuilding services in the country. Located in Saint George, Utah. 38 years in the rebuilding business. Check our ebay store.

Brent 435-668-7776

On Oct-05-07 at 19:59:48 PDT, seller added the following information:

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