Make S&S HP.19 Sep, 2018 in Head Hoggers tagged harlay head porting / harley big horsepower / harley big inch engines / harley case service / harley cp pistons / harley engine building / harley racing / Head Hoggers / mobile motorcycle tuning / S&S HP by headhoggers (updated 1829 days ago) Not to shabby for a S&S 124″ and our $650.00 head work 😆. Let’s get that lean spot out down low and see what she does. O ya, it’s a S&S G carb too! Lol