This model
fits the 396" and 454" Chevy engines with
rectangular ports. Customers with oval ports can use
this injector along with Fel Pro Gasket #1275 or
#1211. NOTE: A Mallory 4 magneto will not fit in the
normal position as the O.D. of the top portion of
the magneto will not fit into the space alloted...an
offset magneto drive is required.