EARTH SURFER PRODUCTS

PORTED CYLINDER KITS
HERE IS A DDM PAGE LINK FULL 

NOTE, THE ESP "CHAMPIONSHIP PORTING" IS THE TOP PORTING FROM ESP. THE LESS EXPENSIVE ESP "RACE PORTING" TYPICALLY MAKES ABOUT .5HP LESS, AND LESS TOP RPM, THAN THE CHAMPIONSHIP PORTING. BUT THE MORE BUDGIT MINDED "RACE PORTING" IS STILL MUCH STRONGER POWER AND TYPICALLY HIGHER REVING
 

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