- 100% Brand NEW in BOX
- JASMA crank pulleyD16 4PK + 4PK + V belt model 30028
- JASMA crank pulleyD16 4PK + 4PK + 4PK belt model 28448
- 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.