S&S Cycle Generator Style Crankcase 31-0008

S&S Cycle Generator Style Crankcase 31-0008
Stock bore Designed with a stock-like appearance. In spite of the stock appearance, these cases incorporate updated design features that improve overall engine strength and reliability Pre-clearanced for strokes up to and including 5in. All cases are designed for late style generator (2 brush type) with 5/16in. mounting bolts to eliminate early generator cradle/mounting strap bosses for simplicity and economics Use more readily available 1/4in.-20 thread fasteners to mount gearcover, oil pump, tappet guides, timer and timer advance bracket, except KN Series Timken sprocket shaft main bearing, in all years, instead of stock straight roller bearings - resulting in better flywheel assembly stability, placement and longer engine life Kits include crankcase assembly, all required bearings and hardware for installation and assembly instructions Note: All S&S crankcases use Timken style sprocket shaft bearing and 1958 and later pinion bearing. These cases will not accept stock 1957 and earlier flywheel assemblies. 36-69 style oil pump Machined for 48-62 Panhead cylinder base oil feed Machined for 55-64 tin primary

*Images in the listing are for reference only. Actual product may vary.
*Tinted shield sold separately for all Full-Face helmets unless otherwise noted.
  • Brand: S&S Cycle
  • Stock bore
  • Designed with a stock-like appearance.
  • In spite of the stock appearance, these cases incorporate updated design features that improve overall engine strength and reliability
  • Pre-clearanced for strokes up to and including 5in.
  • All cases are designed for late style generator (2 brush type) with 5/16in. mounting bolts to eliminate early generator cradle/mounting strap bosses for simplicity and economics
  • Use more readily available 1/4in.-20 thread fasteners to mount gearcover, oil pump, tappet guides, timer and timer advance bracket, except KN Series
  • Timken sprocket shaft main bearing, in all years, instead of stock straight roller bearings - resulting in better flywheel assembly stability, placement and longer engine life
  • Kits include crankcase assembly, all required bearings and hardware for installation and assembly instructions
  • Note: All S&S crankcases use Timken style sprocket shaft bearing and 1958 and later pinion bearing.
  • These cases will not accept stock 1957 and earlier flywheel assemblies.
  • 36-69 style oil pump
  • Machined for 48-62 Panhead cylinder base oil feed
  • Machined for 55-64 tin primary
  • Our phone number is 713-946-2400.

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