Radium Catch Can Kit, PCV, GM LS2/LS3/LS7 Engine, Fluid Lock20 0785 FL CATCH CAN KIT, PCV, GM LS2 LS3 LS7 ENGINE, FLUID LOCK The anodized aluminum catch can bracket mounts to the front RH side of the cylinder head. COMPATIBILITY GM LS2 Gen IV Engine GM LS3 Gen IV Engine GM LS7 Gen IV Engine Use 20 0260 FL instead for the following Gen III engines: LS1 and LS6. Make sure your engine has the necessary clearance in the catch can mounting area before ordering. Consult the installation instructions for more