S&S 31-0001 Super Stock® Big Bore Engine Case - Evolution Big Twin
Note:
Some applications exempt per CARB Executive Order (E.O.) # D-355-8
Features
3.625" big bore cylinder case for any stroke up to and including 5" and most stock length connecting rods
Machined to accept an oil filter assembly that mounts on the front of stock motor cases
All races are line-honed and breather cavity is precision-machined to optimize breather timing for maximum oil scavenging
Kit includes crankcase bolts, washers and 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
Machined for EFI fitment
Made in the USA
Specs
Product Name Engine Case
Model Super Stock®
Color/Finish Raw
Material A356 T-6 Aluminum Alloy
Bore Size 3.625"
Units Kit
Riding Style Street
1990-1991 Harley-Davidson Low Rider Convertible FXRS-CONV
1990-1991 Harley-Davidson Softail Fat Boy FLSTF
1989-1991 Harley-Davidson Tour Glide Ultra Classic FLTCU
1989-1991 Harley-Davidson Electra Glide Ultra Classic FLHTCU
1988-1991 Harley-Davidson Low Rider Sport FXRS-SP
1988-1991 Harley-Davidson Softail Springer FXSTS
1987-1991 Harley-Davidson Low Rider Custom FXLR
1987-1991 Harley-Davidson Softail Heritage Classic FLSTC
1987-1991 Harley-Davidson Electra Glide Sport FLHS
1987 Harley-Davidson Low Rider Chrome FXRC
1986-1991 Harley-Davidson Low Rider FXRS
1986-1991 Harley-Davidson Super Glide FXR
1986-1991 Harley-Davidson Softail Custom FXSTC
1986-1990 Harley-Davidson Softail Heritage FLST
1986 Harley-Davidson Sport Glide Grand Touring FXRD
1985-1987 Harley-Davidson Electra Glide Standard FLHT
1985-1986 Harley-Davidson Wide Glide FXWG
1985 Harley-Davidson Low Glide Custom FXRC
1985 Harley-Davidson Low Rider FXSB
1985 Harley-Davidson Fat Bob FXEF
1984-1991 Harley-Davidson Softail Standard FXST
1984-1991 Harley-Davidson Sport Glide FXRT
1984-1991 Harley-Davidson Electra Glide Classic FLHTC
1984-1991 Harley-Davidson Tour Glide Classic FLTC
1984-1985 Harley-Davidson Low Glide FXRS
1984 Harley-Davidson Disc Glide FXRDG
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.
