Engines and Components Engines, Blocks and Components

S&S Cycle

S&S Cycle 84-91 BT w/ 3-5/8in Bore Super Stock Alternator Style Crankcase - Natural

$1,995.95

SKU: S0GE 31-0001

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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: 31-0001

Perfect for stock replacement and high performance applications, these crankcases offer some unique features. Besides being machined for a crank position sensor, they are also compatible with stock flywheel assemblies, primary covers, gearcovers and are clearanced for 38 amp alternator stators.

MIA's Description

Perfect for stock replacement and high performance applications in 1984-'91 Harley-Davidson® big twin models. This 3-5/8" bore crankcase offers some unique features. Besides being machined for a crank position sensor, they are also compatible with stock flywheel assemblies, primary covers, gearcovers, and are clearanced for 38 amp alternator stators. Includes all required hardware, fittings, and bearings natural aluminum finish. CARB Compliant- EO# D-355-5

Fitment

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Specifications

BrandS&S Cycle
Part NumberS0GE 31-0001

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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