Mini F55 / F56 Gen 3 (2014 On)Front Arm Rear Bush Caster OffsetPFF5-1302G is a CNC-machined mount with polyurethane bush providing approx 1 deg of caster offset to improve in-corner camber gain without compromising straight-line traction. It has a knurled body to retain grease and allow free rotation of the bush, preventing torsional twist in the bush material, aiding performance, reliability and increasing longevity. PFF5-1302G has a knurled pattern body to retain grease and allow free rotation of the bush. This prevents torsional twist in the bush material, aiding performance, reliability and increasing longevity. Bush Size: OEM Part Numbers: 31126850403 / 31126850404 (12/02/2013 to 11/06/2014), 31126874341 / 31126874342 (09/01/2014 to 12/15/2017), 31126882843 / 31126882844 (09/09/2017 on)Quantity: 2 Bush(es) / Required per Car = 2 Bush(es)Road Series Part Number = PFF5-1302GBlack Series Part Number = PFF5-1302GBLKRoad EAN Reference Number: 5055676551580, Black EAN Reference Number: 5055676551597Diagram Reference = 2NOTES:-See above pictures and car diagrams as applicable.Road Series - For Road and fast Road use. Improve your cars’ road holding and chassis performance by controlling the amount of unwanted flex in the suspension. They offer Prolonged tyre life, Improved performance, Increased safety, Greater cost-effectiveness.Black Series- For Track and Motorsport use. Manufactured using Black 95 Shore A compound to provide maximum control of chassis geometry. They are designed for the Track, ready to Race and are engineered to be the best.Fitting Instructions: Road Series - Black Series