Jt Sprockets JTR857.42 Steel Rear Sprocket - 42T (Carbon) engine-cylinder-heads Aero Skirt

Aero Skirt

63-65 models with outside oil lines must use oil port to the rear of the tappet block or oil port in gear cover and use custom oil lines

2022-2023 Arctic Cat M 8000 Mountain Cat Alpha One ATAC ES 154

1994-1997 Arctic Cat Pantera

Jt Sprockets JTR857.42 Steel Rear Sprocket - 42T (Carbon) engine-cylinder-heads Aero SkirtMarketing Color: Carbon Material: Steel Sprocket Position: Rear Sprocket Size: 520 Sprocket Teeth: 42 JT Sprockets are made from the latest generation of computer design and control metal cutting equipment for maximum durability. JT rear sprockets are made from the finest C45 high carbon steel. All sprockets are heat treated and hand finished to meet or exceed the highest possible quality standards. Induction hardened with black zinc finish available