Jt Sprockets JTR857.42 Steel Rear Sprocket - 42T (Carbon) engine-cylinder-heads 63-65 models with outside oil

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

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Jt Sprockets JTR857.42 Steel Rear Sprocket - 42T (Carbon) engine-cylinder-heads 63-65 models with outside oilMarketing 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