Crankcase Assembly with 3-1/2in. Bore - Black. Fits Big Twin 1984-1991. - S&S Head & Cylinder Hardware * M8 cylinders require Torque

* M8 cylinders require Torque Plates to be accurately honed & measured

FL Softail Models(except 2018 Softail models)

Sportster 2007-17

– Use # AN-02-994 or AN-02-972 on 2006-2017 mid-glide Dyna’s

Crankcase Assembly with 3-1/2in. Bore - Black. Fits Big Twin 1984-1991. - S&S Head & Cylinder Hardware * M8 cylinders require TorqueFeatures & Benefits: * Wrinkle Black. * Perfect for stock replacement & high performance applications * These crankcases offer some unique features. * Besides being machined for a crank position sensor, they are also compatible with stock flywheel assemblies, primary covers, gearcovers and are clearanced for 38 amp alternator stators. * Relocated cam chest oil pick up increases gear case scavenging & virtually eliminates oil carry over at sustained