The composite polymer material that FAST uses is also 20 percent stronger and 25 percent stiffer than the stock LS1 intake, ... throttle-body so you don't have to worry about installing gaskets.

We take a mild LS1 engine and upgrade it to make a little over 440 horsepower. ... You've got to love the LS1's cathedral intake ports, ... Fel-Pro marks the head gaskets "FRONT" for easy lay-down.

After swapping over the O-ring intake gaskets, we installed the Edelbrock intake onto the awaiting LS1. The intake was impressive and much better looking than any of the factory intakes. See All ...

You’ve got to love the LS1’s cathedral intake ports, which were a quantum leap size-wise when they arrived in the late 1990s. ... Fel-Pro marks the head gaskets “FRONT” for easy lay-down.