yup, mine is 1/8 , works good also, what also helps to pull the injector pump closer to the head is a ratchet strap around the sturdy part of pump and then to some where else strong enough on the other side of the motor, if your doin it by ur self, or a friend if they can help push it while you tighten the 3 bolts and all the other line clamps you loosened off, the bottom bolt of the pump is somewhat of a pain to get to.