1/2 OD shaft x 1-11/16 inch overall length coil sleeve.
One of the best and cheapest ways to perk up your sluggish machine is to do a ‘shotgun’ replacement of all coil sleeves.
Reference:
Bally / Williams 03-7066-2
Stern 545-5031-00
Trim this sleeve to substitute for Gottlieb 5064 (1″ 21/32″)