Solid metal that bolts directly onto the crankshaft snout.
The bond holding the rubber to the metal naturally degrades over time due to age, heat, and engine oil exposure. Watch for these symptoms: Why Buy A Performance Harmonic Balancer? harmonic balancer
The heavy inertia ring that usually features grooves to drive your accessory belts. 🛑 5 Signs Your Balancer Is Failing Solid metal that bolts directly onto the crankshaft snout