Motor Mayhem Friday!!17 Nov, 2017 in Head Hoggers tagged harley engine kits / harley engine performance / harley head porting / harley machine shop / harley service / Head Hoggers / mobile dyno tuning by headhoggers (updated 2587 days ago) Engines going together to ship out and more on the shelf! Thank you everyone for the Business, we are staying slammed between the engines and all the bikes in shop. Have a great Friday!!