Has anyone tried or tested a ProComp LS3 style head like these?
http://cgi.ebay.com/ebaymotors/Proc...r_Truck_Parts_Accessories&hash=item45f79f844a
I was wondering what are their deck thickness and do they flow any better then a stock LS3 head?
http://cgi.ebay.com/ebaymotors/Proc...r_Truck_Parts_Accessories&hash=item45f79f844a
I was wondering what are their deck thickness and do they flow any better then a stock LS3 head?