Spring Helper Kit - 3 Position - Deere AM54971 and 1997+ models with Fuji

and 1997+ models with Fuji Engine

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

Please select if new cam arm bolts are needed

These are C4 clearance tolerance ideal for crankshaft application

Reproduction M65742 aluminum rear cross shaft

Spring Helper Kit - 3 Position - Deere AM54971 and 1997+ models with FujiCNC 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!