80″ EVO love27 Oct, 2018 in Head Hoggers tagged 80" EVO horsepower / big hp harley / big HP setups / custom cp pistons / engine building. / haley horsepower / harley bore and hone / harley case service / harley cylinder boring / harley engine kits / harley engine machining / Harley flywheel rebuilding / harley head porting / Harley Horsepower / harley machine shop / harley race engines / Head Hoggers / motorcycle mobile dyno tuning by headhoggers (updated 2213 days ago) Doing little 80″ EVO love today. Gotta love some domes! Compression is your friend…