These are FORGED inline 6 pistons for use in STROKER AND NON STROKER applications (using either 4.2 or 4.0 rods). These pistons are available at ANY compression FROM FLAT TOP TO DISH and come with pins and for a limited time we will throw in wire locks and cut grooves for wire locks for FREE. After ordering please put notes in and expect a follow-up phone call if your data is incomplete. LEAD TIME IS 3 WEEKS SOON LEAD TIME WILL BE ZERO WEEKS.