124″ setup. 20 Jan, 2017 in Head Hoggers tagged harley big inch kits / harley head porting / harley machining / Harley Performance / harley service / Head Hoggers by headhoggers Here’s a 124″ kit we setup for a dealer of ours. Daco Enterprise. This is just the start of tuning. Not done in anyway. Stay tuned for final numbers after tune complete.