Guys who makes high performance head gaskets for the 997 turbo?

Also who runs the stock gaskets with high horsepower without any problems?

 

I am using stock 997tt headgasket, works perfect, boost levels 2+ bar
Engine is okay 2 years with a lot of racing, every week.
Carrillo rods, arp headstuds and stock gasket

 

Evolution installed Hellfire gaskets, Carrillo rods and strengthened head bolts when they built my motor 18 months ago. The gaskets will likely be the least expensive part you put into your motor...... http://www.evoms.com/marketplace/ViewProduct.asp?Now=9%2F22%2F2013+3%3A18%3A57+PM&P roductID={397D3913-CF73-4FF2-BE67-7A45EEDD4CCA}&OrgID={CA5E16BC-D877-4137-8237-7EB9084DD3D8}&ParentID={DB632267-FE09-40D4-866E-E6F70332D6E0}&Curr={DB632267-FE09-40D4-866E-E6F70332D6E0}

 

Also using stock head gasket with Protomotive custom o-ring heads and sleeves to match.

 

Thanks a lot guys. What is the thickness of the stock gasket?


The reason being is I have found these below

http://www.shopengineparts.com/produ...bo&type=engine


Which seem to be the same description as the EVOMS gaskets but $250 cheaper!

 

Stock is 0.027". Note: Cometic 996tt gasket has three holes for coolant passage whereas stock does not. If you go Cometic get GT3 gasket (single cut out for coolant) but I don't think you will be able to get stock thickness.

 

Why do you reccomend the single cut out apart from it being same as stock? Are there downsides to having 3 holes?

Also cometic do a 0.027" for 996tt engine but you mean not for the gt3?

 

I view it as being potentially restrictive. With high hp build, I wanted to ensure greatest coolant flow possible.

 

Thanks guys for your advice!