Spring Helper Kit - 3 Position - Deere AM54971 Industry standards for springs permit

Industry standards for springs permit an initial variance of +/- 10%

and 1997+ models with Fuji Engine

New reproduction aluminum 340/S motor mount plate

Please select if new cam arm bolts are needed

16mm wrist pin for 440cc Kawasaki and Kawasaki powered John Deere snowmobiles

Spring Helper Kit - 3 Position - Deere AM54971 Industry standards for springs permitCNC aluminum 3 position spring helper kits for John Deere snowmobile slide rail suspensions. These kits feature an extra location to fine tune tension on rear springs. Positions 1 and 3 match the same preload and heights as Deere AM54971 2 position helper kit. Finished in raw tumbled aluminum. Made in the USA!