- 100% Brand NEW in BOX
- JASMA crank pulley nissan rb25 model 29137 on the left
- JASMA crank pulley RB26 model 29136 on the right
#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.
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