Main girdle - worth it?

[trunkback]

Do they actually work? Pros and cons?
Seen one for cheap and was wondering if it's worth it.

Plus I've always wondered if they help out when you spin the engine a little higher

[Chitown Racing]

[4eyed freak]

They'll hold shit together when your block splits in two.

[BlackBaltSW]

They'll hold shit together when your block splits in two.

Troof

[milwkeesbest]

They'll hold shit together when your block splits in two.

Yep. Thankfully that never happened to me. I put far more than I should have to my stock block with a girdle. I don't know if it actually helped, but knowing what that block endured, I'd never build another without one.

[trunkback]

Thanks everyone

[8950LX]

Don't forget the cost of main studs and to have the block align honed if your gonna do it right. Personally, I think its a waste. Between the heads, intake and the oil pan all being bolted to the "now" split block......it'll all stay put. Just my $.02


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[Rotbody]

I dont know what you mean by "cheap" but dont go with a no name one. They fit like complete shit and need machining.

In theory I beleive they work but I also pulled some with 350HP on tap and they still split with one. It still ran though and kept it together.

The valley girdle is a joke 4 8MM bolts and a bar. I was a sucker and bought into that dream. Good luck