Engine Case

S&S Cycle #31-0022 - Crankcase, Assembly, 3-5/8" Bore, bt, Alt/Gen, Packaged, Natural, 1970-'84

S&S Cycle #31-0026 - Crankcase, Assembly, 3-5/8" Bore, Alt/Gen, Packaged, 1948-'84 Custom bt

The Super Stock® generator style crankcases are designed with a stock like original appearance. This gives the engine builder an alternative to attempting costly repairs on fatigued, broken, worn-out...

S&S Cycle #310-0370 - Crankcase, Assembly, 4-3/8" Bore, Alternator, Packaged, Silver, 2007-up bt

S&S Cycle #310-0543A - Crankcase, Assembly, CVO 110, Stock Bolt Pattern, Packaged, Stone Gray, 2007-2016 bt

This Super Stock® T2 wrinkle black crankcases is for 2007-'16 HD® FL big twin engines with stock bore and stock bolt pattern. Simple transmission case modificiations is required. Features &...

S&S Cycle #310-0690 - Crankcase, Assembly, 4.425" Bore, Alternator, 4-3/8" Bolt Pattern, Packaged, WBlack, 2007-up bt

S&S Cycle #310-0721A - Crankcase, Assembly, 4.425" Bore, T143, 4-3/8" Bolt Pattern, Packaged, WBlack, 1999-2006 bt except 2006 Dyna

This 4.425" bore wrinkle black crankcase has a 4-3/8" bolt pattern and is for T143 engines for 1999-'06 big twins, except 2006 HD® Dyna® models. FitmentYear(s)MakeModel CodeModel1999-2006Harl

S&S Cycle #310-0722A - Crankcase, Assembly, 4.425" Bore, T143, 4-3/8" Bolt Pattern, Packaged, Silver, 1999-2006 bt except 2006 Dyna

S&S Cycle #310-0745 - Crankcase, Assembly, 5-1/8" Bore, Natural, Billet, PS160 Gen2

S&S Cycle #310-0856 - Crankcase - 4.125" Bore w/Stock Bolt Pattern - Wrinkle Black - Dyna

This 4 1/8" bore wrinkle black crankcase is specially machined for the new S&S oil line installation kit for 2006-2017 Harley-Davidson® Dyna® models. Features & BenefitsStock bore replacement for...

S&S Cycle #310-0878 - Crankcase - 3.937" Bore - Alternator Style - Wrinkle Black - Dyna

This stock bore, alternator style, wrinkle black crankcase is specially machined for the new S&S oil line installation kit for 2006-2017 Harley-Davidson® Dyna® models. Features & BenefitsStock bore...

S&S Cycle #310-0884 - Crankcase, Assembly, 5-1/8" Bore, Packaged, Natural, Billet, PS160 Gen2

S&S Cycle #310-1170 - Engine Case - MK-Series - Performance Replacement - M8 Touring

The demand for performance-based bagger parts is growing, and these M8 engines are creating more power daily. All that power requires a quality base that the stock cases can't provide. That's where...

S&S Cycle #310-1313 - Crankcase, Assembly, Stock Bore, CARB EO# D-355-49, Stock Drive Bearing, Packaged, Black Granite, 2017-up M8 Touring

S&S Cycle #310-1326 - Crankcase - MK-Series "B" - Black - M8 Softail

Building massive power reliably just got easier! Our new MK-Series B Crankcases can be paired with our 136” cylinder kit and 4 5/8” Stroker Crank to give you a rock-solid build. These cases scrape...

S&S Cycle #310-1341 - Crankcase, Assembly, 4-1/2" Bore, Stock Drive Bearing, Packaged, MB Code, WBlack, 2017-up M8 Touring

The demand for performance-based parts is growing, and these M8 engines are creating more power daily. All that power requires a quality base that the stock cases can’t provide. This new version of...