Softail Fat Boy:

03-13 FLT/Touring

unless mentioned otherwise

840/1 BTZ - Hexagon bits: 1x 2 x 25 mm

Relocation of master cylinder is not required

s s super stock 70 99 big twin crankcases BS90 Softail Fat Boy:S&S Super Stock Alternator Style Crankcase for Harley Davidson S&S Superstock crankcases, made from 356 T6 aluminum, are much stronger than the OEM case. OEM cases can may break in high performance or even stock applications, as many of us have found out the hard way. These S&S Superstock cases can be used for both stock replacement and racing applications. The S&S crankcases offer substantial time savings when building. These cases come set up with