Reply to "4 V Heads and a adjustable valvetrain"

panteradougMember

The guides are sold under different brands. I gave you the source.

As I said, many of the aftermarket head manufacturers use them. They really are very trick. Brodix and Edelbrock are only two. Others use them as well.

https://www.summitracing.com/parts/bro-sh545-11-32p

These are the same guides. They are just charging you more.

You need a .500" reamer (or core drill bit) and press them in. The guides measure either .501 or .502"? I forget which. That makes them a press fit.

After they are in, you run a 11/32" reamer through them to make sure that they are round after being pressed in.

They take the Teflon PC type seals.

You can trim the length in the port to whatever you want them to be but they are fine out of the box.

I cut out the remainder of the cast iron guide boss out of the port but that's not mandatory.

10/1/164:22 PM

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