2018 CVO M8 117″ base runs13 Feb, 2018 in Head Hoggers tagged engine building. / harlay head porting / harley 4 valve porting / harley big inch kits / harley cp pistons / harley cylinder boring / harley engine kits / harley engine performance / Harley flywheel rebuilding / Harley full service / harley machine shop / harley machining / harley milwalkiee 8 head porting / Harley Milwaukee 8 kits / Harley parts and accessories / harley race engines / Head Hoggers / mobile motorcycle tuning by headhoggers (updated 2986 days ago) Just did some base runs on this CVO 2018 117″. This bike has only 10 miles on it and is completely stock, right off show room floor. Stay tuned for the upgrades we do and the custom exhaust😉