Little M8 improvement in Head Hoggers tagged 124 dome pistons / big hp harley / big inch engine kits / haley horsepower / harlay head porting / harley 4 valve porting / harley bore and hone / harley cp pistons / harley cylinder boring / harley engine machining / harley milwalkiee 8 head porting / Head Hoggers / M8 builds / motorcycle mobile dyno tuning What do we have here? Just doing a little improvement to this nothing special M8. Lol Stay tuned to see what comes of it!
