This injector linkage arm is made of billet heat treated alum. to offer the racer lightweight parts and fits Bird or Buzzard and most other aftermarket injectors that use the 7/16" serrated shaft.
Injector arms are .375" thick, have four 10/32" mounting holes per arm with the short set of holes being on a 1.312" center to center bolt spread and the wider set of holes are 1.750" center to center bolt spread. With these link arms it makes it easy to hook up a throttle cable or a return spring.
Buyer gets both arms in the pictures for one low price.
Note: This is a used item. This item might have been taken in on a trade. RBS may have inspected this item and deemed re-usable. There is no warranty expressed or implied with this item.