Harmonic Balancer Damper Crankshaft 240Z 260Z 280Z 280ZX 510

New harmonic balancer for Datsun L series engines 4 and 6 cylinder 1968-83. Stock replacement performance balancer.  This balancer is a 2 groove design but the outer pulley can be removed for cars running only 1 belt.  Small pulley diameter is 5", large pulley is 7.5".

* These balancers have been tested and have the correct fitment onto your crankshaft.

*The diameter of this balancer may vary from the balancer on your engine and may require different belt lengths than what you currently have.