Reply to "Identify rocker arm"

panteradougMember

At one time there were differences in the forgings and you couldn't use a Chevy on a Ford.

MOST are now the same and clearanced to take the largest od spring retainers offered. As such the differences are where the push rod cup is located is the difference. That's where the ratios are changed.

Also you have a choice with many as to the size of the stud you want to use, 3/8 or 7/16.

If that rocker, for instance, has a 3/8 stud then you could use it on a SB Chevy or a SB Ford which uses a 3/8 stud BUT some racers change the studs over to 7/16".

Confused enough yet? I can do better?

6/9/155:09 AM

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