Compatible Models: Clutch spring plate fit for 1985-97 Evolution Big Twin and 1991-2022 Sportster XL 883 and 1200 style clutches Note: Clutch spring center plate do not fit 1984-89 XL clutch OEM Replacement: OEM part number: 37977-90. Perfectly fit your motorcycle, it is designed to meet or exceed the original specification Material: Made of heavy-duty material, strudy, not easy to break, has a long life and durability Please make sure your model matches the description.We are committed to providing each customer with a higher standard of customer service This Spring Plate fits for Harley Clutch for Big Twin and XL style clutches Fits 1985-1997 EVO Big Twins Fit 1991-2022 Sporster model : XL1200, XL883 Does Not fit 2017-up Revolution X500, X750, XG750, XG500,1984-89 XL Clutch Replaces OEM 37977-90