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S&S CYCLE Engine Case BORE SIZE 4.125" For Twin Cam 88® A Engines 31-0181A

S&S CYCLE Engine Case BORE SIZE 4.125" For Twin Cam 88® A Engines 31-0181A

Regular price $1,964.66 USD
Regular price $2,182.95 USD Sale price $1,964.66 USD
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  • 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. 
  • BORE SIZE 4.125"
  • This project requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.

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