any one able to help me on this one folks. the OE rod bolts on a YB engine are the heads of them 6ponint or 12 point. just trying to work out what i have. just finished stripping my engine and found a lovely set of ARP stud and nut kit balance crank/flywheel by GGR. but the ROD bolts i have are 12 point and look like non OE stuff. any help please.