Tesla Model 3 (2017 - 2023) Rear Subframe Bush Insert Kit - PFR75-320 PFR75-320 Rear Subframe Bush Insert Kit is made in our Purple 80A material fitting the voided OE rubber mounts to increase rear-end traction and stability during cornering and acceleration. Fits up to 2020 only. - NOTE: Price is for CAR KIT, NOT per bush… Powerflex price their bushes individually, but we have combined the quantities to make it simple!