Numbers in!16 Nov, 2017 in Head Hoggers tagged harley engine kits / harley engine machining / harley engine performance / harley head porting / Head Hoggers / mobile dyno tuning by headhoggers This stage 2 107″ put down 114.56HP and 128.25TQ!!! Not bad at all for a stage 2 head. We have been seeing more and more HP/TQ out of our stage 2’s. Been doing some R&D with them.