Y Yacdogg Original poster Member Apr 27, 2012 92 May 13, 2012 #1 Hello, I was wondering what are our options for header for the 4.2 ?
redleg6 Member Apr 10, 2012 686 May 14, 2012 #2 nothing... other than an OEM replacement from Dorman (on the JEGS site): Dorman Products 674-777 Dorman Exhaust Manifolds and this OEM fitted part: CHEVROLET EXHAUST MANIFOLDS look for Part # 2051 ...they look like identical castings to me
nothing... other than an OEM replacement from Dorman (on the JEGS site): Dorman Products 674-777 Dorman Exhaust Manifolds and this OEM fitted part: CHEVROLET EXHAUST MANIFOLDS look for Part # 2051 ...they look like identical castings to me
Wooluf1952 Member Nov 20, 2011 2,663 Milwaukee, Wisconsin May 14, 2012 #3 There is a company that makes SS tube headers, but they are expensive. STAINLESS WORKS is the company. Not sure if they are still available.
There is a company that makes SS tube headers, but they are expensive. STAINLESS WORKS is the company. Not sure if they are still available.
Pittdawg Member Dec 5, 2011 538 May 14, 2012 #4 Dorman is not available for your year and there was an extremely limited run of headers from Stainless Works that have been extinct for years now. Extrude honing the stock manifold is your ONLY option, other than a completely custom fabrication.
Dorman is not available for your year and there was an extremely limited run of headers from Stainless Works that have been extinct for years now. Extrude honing the stock manifold is your ONLY option, other than a completely custom fabrication.
mark'stb Member Dec 17, 2011 94 May 20, 2012 #5 If you're up for a project, try Custom Headers Built To Your Specifications and go from there. But a header with a 6 into 1 collector would be way cool!! Get the header flange here: GM Header Flange Specs B
If you're up for a project, try Custom Headers Built To Your Specifications and go from there. But a header with a 6 into 1 collector would be way cool!! Get the header flange here: GM Header Flange Specs B
N novajoe Member Oct 8, 2012 82 Oct 19, 2012 #6 Check out this link! http://gmtnation.com/f43/kooks-4-2l-i6-header-5341/