devor lock what did it do ??? would the k 31 be better under a s300 in like a 64mm. i have a k 31 on the way from skynyrd i new that industrial injection uses a sb on a big bro for there race setup and a silver 62 on a k31 for there tow twins i was trying to find something in between there setups cus i want to pull but still street drive maybe i should tell u guys what i got and see what u think. i built a 13mm pump with scheids lightning cam have a ported head and im going to use a bigstick cam and prob 5x18 injectors.