This complete kit adapts a clutched alternator pulley to your factory alternator, drastically extending the lifespan of your belt, tensioner, and harmonic balancer.
10X Entries Into Our F80 M3 Sweepstakes
This complete kit adapts a clutched alternator pulley to your factory alternator, drastically extending the lifespan of your belt, tensioner, and harmonic balancer.
10X Entries Into Our F80 M3 Sweepstakes
This precision-engineered spacer allows you to adapt a clutched alternator pulley to your factory alternator, drastically extending the lifespan of your belt, tensioner, and harmonic balancer.
10X Entries Into Our F80 M3 Sweepstakes