1966 Powersports Engine Cases

S&S Cycle Super Stock Generator-Style Crankcases

S&S Cycle Super Stock generator-style crankcases for Big Twin engines with stock bores are designed with a stock-like appearance and incorporate updated design features that improve overall engine strength and reliability. Select the crankcase to fit your engine. Features and benefits: * Pre-clearance for strokes up to and including 5 in. * Motor mounts on crankcases for knucklehead engines are machined to fit stock 1936-47 frames. An adapter plate is included for 1948 and later-style frames * All cases are designed for late style generator, two brush type with 5/16 in. mounting bolts to eliminate early generator cradle/mounting strap bosses for simplicity and economics * 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 hardware and bearings for installation Note: All S&S crankcases use Timken style sprocket shaft bearings and 1958 and later pinion bearings. These cases will not accept stock 1957 and earlier flywheel assemblies.

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