- 100% Brand NEW in BOX
- JASMA lighten crank pulley B8
- JASMA lighten racing crank pulley are manufactured on the latest multi-Axis CNC machines from the lightest grade 6061-T6 aluminium, making them immensely lighter than their factory stell counterparts. Test show that an average 2.7HP gained from every pound of weight that is reduced from the crankshaft.