Lift Pad Pros Front and Rear Jack Pads for all 2017 - 2023 Challenger, Hellcat, Charger, and Demon. These pads mount in the factory threaded hole in the front sub frame. All cars come with rear plastic factory jack pads but none on the front. Helps prevent placing the jack under the body and damaging the undercarriage. These Jack Pads make it easier to confirm that the lift or jack is positioned under the frame and eliminates the need for wood blocks to clear the side sills when using a hoist. The pads are made of Delrin (Polyoxymethylene) and weigh 3 ounces each. The front pad is approximately 1.150 inches tall and 2.250 inches in diameter. The rear pad is approximately 1.950 inches tall and 2.250 inches in diameter. The kit includes two front pads, two rear pads, and two 8.8 hardened mounting bolts.