Engines and Components› Engines, Blocks and Components

S&S Cycle

S&S Cycle 84-91 BT w/ Stock Bore Super Stock Alternator Style Crankcase - Wrinkle Black

$1,995.95

SKU: S0GE 31-0052

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: 31-0052

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

3.5" stock bore cylinder case designed for strokes up to 5" and most stock length connecting rods. Machined for front-mounted oil filter assembly. Features line-honed races and precision-machined breather cavity for optimized oil scavenging. Includes crankcase bolts, washers, nuts, cylinder mounting studs, timing hole plug, magnetic drain plug, assorted breather and oil line fittings, oil pressure switch, oil screen, spring and plug, sprocket shaft Timken® bearing assembly and oil seal, pinion shaft main bearing race, cam needle bearing assembly, oil pump drive shaft bushing, and installation instructions. EFI fitment. Made in the USA.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandS&S Cycle
Part NumberS0GE 31-0052

Videos

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S&S Cycle - Introducing the S&S Short Block - Part 1
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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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