Skip to content
Free Shipping on orders over $69.99 to the continental 48 (Alaska & Hawaii orders, call 402-214-0706 to order).
All products have accurate in stock quantities listed, if it shows in stock it’s actually in stock!
Free Shipping on orders over $69.99 to the continental 48 (Alaska & Hawaii orders, call 402-214-0706 to order).
All products have accurate in stock quantities listed, if it shows in stock it’s actually in stock!
S&S Cycle

S&S Cycle Crankcase - 31-0181A For Harley Motorcycles 1999-2006

MPN: 31-0181A SKU: 0920-0188
S&S Cycle

S&S Cycle Crankcase - 31-0181A For Harley Motorcycles 1999-2006

MPN: 31-0181A SKU: 0920-0188
Availability:
Only 1 left!
Note:For Twin Cam 88® A EnginesFeatures Replacement Twin Cam "A" engine cases for stock H-D chassis only (carb and EFI) Feature greater overall strength than stock crankcases Strong, dependable Timken®-style sprocket shaft bearings Clearanced for strokes up to and including 5" All passages between the crankcase cam support plate are O-ring sealed Compatible with most stock components Cam chest has clearance for up to .675" lift cams Include S&S crankcase breather reed valve designed to eliminate oil carry-over and oil scavenging problems Rear motor mount bolts directly to the stock transmission; fully compatible with the stock primary, charging system, and other stock components Made in the U.S.A. This project requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications. Specs Product Name Crankcase Base Color Black Color/Finish Black Finish Wrinkle Black Bore Size 4.125" Units Each Riding Style Street
Original price $2,155.95 - Original price $2,155.95
Original price
$2,155.95
$2,155.95 - $2,155.95
Current price $2,155.95

Product Details

Note:
  • For Twin Cam 88® A Engines

Features

  • Replacement Twin Cam "A" engine cases for stock H-D chassis only (carb and EFI)
  • Feature greater overall strength than stock crankcases
  • Strong, dependable Timken®-style sprocket shaft bearings
  • Clearanced for strokes up to and including 5"
  • All passages between the crankcase cam support plate are O-ring sealed
  • Compatible with most stock components
  • Cam chest has clearance for up to .675" lift cams
  • Include S&S crankcase breather reed valve designed to eliminate oil carry-over and oil scavenging problems
  • Rear motor mount bolts directly to the stock transmission; fully compatible with the stock primary, charging system, and other stock components
  • Made in the U.S.A.
  • This project requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.

Specs

Product Name Crankcase
Base Color Black
Color/Finish Black
Finish Wrinkle Black
Bore Size 4.125"
Units Each
Riding Style Street

Product Description
Note:
  • For Twin Cam 88® A Engines

Features

  • Replacement Twin Cam "A" engine cases for stock H-D chassis only (carb and EFI)
  • Feature greater overall strength than stock crankcases
  • Strong, dependable Timken®-style sprocket shaft bearings
  • Clearanced for strokes up to and including 5"
  • All passages between the crankcase cam support plate are O-ring sealed
  • Compatible with most stock components
  • Cam chest has clearance for up to .675" lift cams
  • Include S&S crankcase breather reed valve designed to eliminate oil carry-over and oil scavenging problems
  • Rear motor mount bolts directly to the stock transmission; fully compatible with the stock primary, charging system, and other stock components
  • Made in the U.S.A.
  • This project requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.

Specs

Product Name Crankcase
Base Color Black
Color/Finish Black
Finish Wrinkle Black
Bore Size 4.125"
Units Each
Riding Style Street

Part Numbers
Store SKU MFR. Product # Availability
0920-0188 31-0181A In Stock
Fitment
This product is vehicle specific. Select your vehicle to confirm fitment.

This Product Fits

Fitment Disclosure

This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.

Note:
  • For Twin Cam 88® A Engines

Features

  • Replacement Twin Cam "A" engine cases for stock H-D chassis only (carb and EFI)
  • Feature greater overall strength than stock crankcases
  • Strong, dependable Timken®-style sprocket shaft bearings
  • Clearanced for strokes up to and including 5"
  • All passages between the crankcase cam support plate are O-ring sealed
  • Compatible with most stock components
  • Cam chest has clearance for up to .675" lift cams
  • Include S&S crankcase breather reed valve designed to eliminate oil carry-over and oil scavenging problems
  • Rear motor mount bolts directly to the stock transmission; fully compatible with the stock primary, charging system, and other stock components
  • Made in the U.S.A.
  • This project requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.

Specs

Product Name Crankcase
Base Color Black
Color/Finish Black
Finish Wrinkle Black
Bore Size 4.125"
Units Each
Riding Style Street