S&S Cycle Crankcase - 1984-1991 Evo Big Twin - Natural
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S&S Cycle Crankcase - 1984-1991 Evo Big Twin - Natural

S&S Cycle Crankcase - 1984-1991 Evo Big Twin - Natural

S&S Cycle
Price:
$1,649.95
Stock:
Only 5 units left

Description

  • Cast from A356 T-6 heat-treated aluminum alloy
  • Include crankcase bolts, washers and nuts, cylinder mounting studs, timing hole plug, magnetic drain plug, assorted breather and oil line fittings, top end oil screen spring and plug, sprocket shaft Timken® bearing assembly, oil seal, pinion shaft main bearing race, cam needle bearing assembly, oil pump shaft bushings and installation instructions
  • Use Timken style sprocket shaft bearings and 1958 and later pinion bearings (will not accept 1957 and earlier flywheels)
  • Bearing races are all line honed and breather cavity is precision machined to optimize breather timing for maximum oil scavenging
  • Machined for 3.4375" cylinders and tapped 1/4"-20 for gear covers, oil pump, tappet guides, timer and timer advance
  • 65 models use 65 alloy inner primary
  • Drilled for 5/16" generator mounting bolts
  • 63-65 models with outside oil lines must use oil port to the rear of the tappet block or oil port in gear cover and use custom oil lines
  • Generator crankcase gear kit (includes circuit breaker drive gear, idler gear, circuit breaker gear and shims) and shafts must be purchased separately
  • Made in the U.S.A.
  • Manufacturer part number: 31-0000

    Fitments:
    1991 Harley-Davidson Dyna Sturgis FXDB
    1991 Harley-Davidson Softail Custom FXSTC
    1991 Harley-Davidson Softail Standard FXST
    1991 Harley-Davidson Softail Springer FXSTS
    1991 Harley-Davidson Softail Fat Boy FLSTF
    1991 Harley-Davidson Softail Heritage Classic FLSTC
    1990-1991 Harley-Davidson Low Rider Convertible FXRS-CONV
    1990 Harley-Davidson Softail Fat Boy FLSTF
    1989-1991 Harley-Davidson Electra Glide Ultra Classic FLHTCU
    1989-1991 Harley-Davidson Tour Glide Ultra Classic FLTCU
    1988-1990 Harley-Davidson Softail Springer FXSTS
    1987-1991 Harley-Davidson Low Rider Custom FXLR
    1987-1991 Harley-Davidson Electra Glide Sport FLHS
    1987 Harley-Davidson Low Rider Chrome FXRC
    1986-1991 Harley-Davidson Super Glide FXR
    1986-1991 Harley-Davidson Low Rider Sport FXRS-SP
    1986-1991 Harley-Davidson Low Rider FXRS
    1986-1990 Harley-Davidson Softail Heritage FLST
    1986-1990 Harley-Davidson Softail Custom FXSTC
    1986-1990 Harley-Davidson Softail Heritage Classic FLSTC
    1986-1990 Harley-Davidson Softail Standard FXST
    1986 Harley-Davidson Sport Glide Grand Touring FXRD
    1985-1991 Harley-Davidson Tour Glide Classic FLTC
    1985-1991 Harley-Davidson Sport Glide FXRT
    1985-1986 Harley-Davidson Tour Glide FLT
    1985 Harley-Davidson Low Glide Custom FXRC
    1985 Harley-Davidson Fat Bob FXEF
    1985 Harley-Davidson Low Glide FXRS
    1984-1991 Harley-Davidson Electra Glide Police FLHTP
    1984-1991 Harley-Davidson Electra Glide Classic FLHTC
    1984-1987 Harley-Davidson Electra Glide Standard FLHT
    1984-1986 Harley-Davidson Wide Glide FXWG
    1984-1985 Harley-Davidson Low Rider FXSB
    1984-1985 Harley-Davidson Electra Glide FLH
    1984-1985 Harley-Davidson Super Glide 80 FXE
    1984-1985 Harley-Davidson Softail Standard FXST
    1984-1985 Harley-Davidson Electra Glide Special FLHX
    1984 Harley-Davidson Tour Glide FLT
    1984 Harley-Davidson Disc Glide FXRDG
    1984 Harley-Davidson Sport Glide FXRT
    1984 Harley-Davidson Low Glide FXRS
    1984 Harley-Davidson Tour Glide Classic FLTC

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