RCNap12986 Posted April 13, 2012 Report Posted April 13, 2012 I have a set of WCCH stage 2 317 heads in good shape that have been milled down to a 70cc chamber to bump compression a little. These heads work great NA or with boost, and are absolute rockstars with about .580 lift which is easy on your valvetrain. The 317 has the same intake and exhaust port as the 243 heads with the only difference stock being the chamber volume and design. This head has an improved chamber design but retains the larger volume for the bigger NA guys and Boosted guys. Here is the link with their info... http://www.proheads.com/WCCH%206.0L.html The stage 2 job comes with richards famous CNC porting program of the intake.exhaust ports as well as the chamber, aftermarket SS valves, .650 lift dual springs, and a "street" valve job. Here are some pics: First $1000+ ride takes em. These heads brand new without a core are almost $1900!!! Quote
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