StreetRays [Originals] 79-04 Mustang LS1 5.3L 6.0L Engine Swap 4.6L Solid Mount Adapter Plates Kit. Part # SRX_Mustang79_LSSwapPlate + SRX_ Mustang79_46L_SolidMount. All StreetRays [originals] parts are CNC cut right here in Central Texas! Where precision & Quality. Finish is the main focus. Material & hardware are all sourced from Texas as well. Our parts are all. CNC cut & formed on our Amada press brake for consistent fitment. Fits: 79-04 Ford MUSTANG Chassis with 5.3L 5.7L 6.0L LS Engine Swap. This sale includes our new 4.6L solid engine mounts, which is CNC cut and formed on our Amada press brake. To ensure the perfect fitment each and every time. This kit is the strongest available in the market with the least. Amount welding since almost the entire mount is formed form single steel sheet. StreetRays LS to 4.6L Mustang engine mount Adapter Plates is CNC cut from 1/4 thick USA steel sheet and. It will allow you to use the original 4.6L engine mounts from Mustang chassis, be it the OE style, polyurethane. Ones or for best result, the solid 4.6L engine mount (which is included in this kit). Our engine mount adapter plate comes complete with all necessary hardware, which is all of course of highest. Grade as well, so you can rest assured your LS swap will go as smooth and reliable as possible. Quite straightforward with these adapter plates. First, install the plate against factory mounting location with the. “Arm” (5th bolt hole) of the plate facing towards BACK of the engine. Next, align the FRONT 2 bolt holes on the. Plate (as well as the engine block bolt holes) with your 4.6L mount and bolt it up to the block with the longer bolt. Lastly, install the last hole in the BACK “arm” of the plate with the 4.6L mount with supplied bolt. And nylon lock nut. Now you can tighten all the bolts and repeat the process for the other side of your LS engine. As for the little spacer included in the kit, that’s for the dipstick tube; You will place the spacer between dipstick &. The head and use our supplied 35mm long bolt to secure it. Dipstick tube can be bent a little here and there for it. To clear tight spaces.