Heads for 402 to make 500 HP at the wheels NA??

02-19-2010, 06:51 PM

#21

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Quote:

Originally Posted by tording99Z28

You said they are complete, what kind of springs are on them? Do they come with a spring that will allow for a .600+ lift cam?

The guy I bought them from had an option for higher lift springs, for an additional cost. Here's the link. Not sure if he has any left though. https://ls1tech.com/forums/parts-cla...0-shipped.html