8-piece kit. Used to shim-out primary belt pulley or the OEM shaft extension to line-out motor sprocket with clutch hub. This JIMS 8-piece kit consists of following sizes: .336″; .516″; .546″; .574″; .606″; .621″; .636″ and .666″. Machined to a 32 micron finish for extended sprocket shaft seal life. Compatible with both early 55-64 models (OEM = .336″ wide and repl. 29029-55) with tin primary and 65-69 Panhead and Early Shovel (OEM is .621″ wide and repl. 24029-65) with aluminum primary; depending on the size used. Note: Spacers are not separately available.

