*** IN STOCK SHIPS TODAY *** Donovan Hemi/Big block Chevy thrust shim and bearing kit. This kit allows the racer to set the cam thrust off the front of their gear drive when using a .375" fuel pump drive hub.
Kit includes a high quality shielded ball bearing, .125" thrust spacer and a shim kit that has ten .010" shims. Shims are .870" O.D. x .790" I.D.