Knucklehead Engine Case Set

Knucklehead engine case set includes case bushings line lapped for standard size rollers. Oil from top end returns through pushrod tubes. Does not return through cylinder base. Case accepts loose roller bearings on the sprocket and pinion shaft side. Case set is designed for replacement of the original cases. No serial numbers are provided with these case sets. A Bill of Sale will be issued for blank cases. Case sets do not include pinion and sprocket shaft races. Use 2 gaskets when mounting the oil pump body for proper clearance. **NOTE: Numeral 7 stamped on rear motor mount h
10-0985" Sifton tappet screw kit includes screws and nuts. Screws are 1-9/16 long with 9/32 x 32 TPI. 1941-1947 FL