Top Street Performance 30001 Harmonic Balancer for Chevy SB 400 6.75" Black

Harmonic Balancer/Damper TSP's steel harmonic balancers are extremely durable and efficient. The elastomer is bonded to the inside of the inertia ring and outside of the hub thanks to an improved design and premium adhesive. They feature a black finish and white timing marks - including marks every 90? - for easy reading and installation. They are precisely designed and balanced for perfect fit and performance. Engine Balance: Internal Timing Marks: 60 Degree Before TDC - 0 Degree TDC Outside Diameter: 6.75" Damper Material: Steel