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Want to Buy pro mac 800 clutch cover/chain brake assy

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Depends - if your 800 doesn’t have a DSP valve installed - yes. If it does, then you will need to notch the cover.

The 850 will not dissipate the exhaust heat as well as an 800. The exhaust side is stronger than the 800 which are prone to break in that area, but the bar attachment end is more reinforced on the 800 over the 850.

Ron
 
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