S&S Cycle

S&S Cycle Super Stock Alternator Style Big Bore Engine Case For Harley Big Twins 1984-1991

Item: P360668
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This product is legal in California only for racing vehicles which may never be used, registered or licensed for use upon a highway.

S&S Cycle Super Stock Alternator Style Big Bore Engine Case For Harley Big Twins 


  • S&S complete engine cases come set-up with the cam and sprocket shaft Timken main bearing races installed and pinion shaft bearing race pressed in and line honed, ready to fit
  • Offers substantial labor savings and eliminates the need and expense of "line boring and honing"
  • Cast from 356-T6 heat treated aluminum alloy and CNC-machined for consistently superior quality
  • Additional material has been added in key areas for strength without requiring modifications for frame clearance
  • Clearances for any stroke up to and including 5″ with stock or beefy S&S rods
  • Ported breather passageway/cavity optimizes oil scavenging efficiency while providing maximum timing specifications
  • Crankcase assemblies include left and right cases, case bolts, nuts and washers, cylinder mounting studs, timing hole and drain plugs, assorted case fittings, sprocket shaft Timken bearing assembly, drive sprocket spacer and oil seal, pinion shaft main bearing race, cam needle bearing, oil pump drive shaft bushing and installation instructions
  • Shipped with oil scraper machined for stock diameter flywheels
  • Requires S&S Cycle Billet Aluminum Oil Pump or OEM 26190-73 oil pump
Product Style J&P Cycles Item # Catalog Number Store Sku MFR. Product # Availability
Product Style S&S Cycle Super Stock Alternator Style Big Bore Engine Case For Harley Big Twins 1984-1991 J&P Cycles Item #1181790 Catalog Number432-266 Store Sku MFR. Product #31-0001 AvailabilityIn Stock: Ships in 2-4 business days
This product is vehicle specific.
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This Product Fits
Harley Davidson
Disc Glide FXRDG 1984
Electra Glide Classic FLHTC/I 1984-1991
Electra Glide Sport FLHS 1987-1993
Electra Glide Standard FLHT/I 1985, 1986, 1987
Electra Glide Ultra Classic FLHTCU/I 1989-1999
Fat Bob FXEF 1985
Low Glide/Low Rider FXRS 1984-1991
Low Rider Chrome FXRC 1985, 1987
Low Rider Custom FXLR 1987, 1988, 1989, 1990, 1991
Low Rider Sport FXRS-SP 1988, 1989, 1990, 1991
Softail Custom FXSTC/I 1986-1991
Softail Fat Boy FLSTF/I 1990, 1991
Softail Heritage Classic FLSTC/I 1987, 1988, 1989, 1990, 1991
Softail Heritage FLST/I 1986, 1987, 1988, 1989, 1990
Softail Springer FXSTS/I 1988, 1989, 1990, 1991
Softail Standard FXST/I 1984-1990
Sport Glide FXRT 1984-1991
Sport Glide Grand Touring FXRD 1986
Super Glide FXR 1986-1991
Tour Glide Classic FLTC/I 1984-1991
Tour Glide Ultra Classic FLTCU/I 1989, 1990, 1991
Wide Glide FXWG 1985, 1986
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