MAX skid plate for S13 features CNC machined from 6061 T6 aluminum with gold or silver anodized finish ~slotted holes help fitment on older cars ~extra material on the front end than older model ~all hardware included w/ button head screws facing down & nylock nuts ~saves your motor by protecting your oil pan ~helps protect and strengthen tension rod mounting brackets ~reinforces your radiator support ~compatible with KA and SR motors, JDM/USDM chassis *new lip in the front will prevent the skid plate from catching an edge if you really dig in while coursing out *new slotted holes help fitment on your 20 year old hooptie Note: all S13's have bent tension rod brackets, so you need to bend them back into place to fit up to the perfect holes on the skid plate. Made for KA and SR but can also fit other motor swaps like RB that hang low if you run spacers