POWERBOND Premium Harmonic Balancer Small Block SBC Chevrolet Camaro 1968-1976 8" Internal Balance
retails for $74.99 plus $12 shipping plus Tax = $93.17 at Summit Racing
https://www.summitracing.com/parts/pbb-pb1046n
PowerBond premium harmonic balancers offer the professional engine rebuilder or shade tree mechanic the highest quality product in the automotive aftermarket. These balancers use a Spheroidal Graphite iron casting which is considered near-steel strength material. Uses both inserted and pressure-bonded rubber that produces rubber strength that is stronger than competitive balancers.
Part Type: Harmonic Balancer
Style: Premium Harmonic Balancer
Application: Chevrolet SB
Engine Balance: Internal
SFI Accepted: No
Overall Diameter (O.D.): 7.953"
Crank Bore (I.D.): 1.245"
Nose Diameter (O.D.): 1.762"
Overall Width: 2.347"
Harmonic Balancer Material: Spheroidal Graphite Iron
Harmonic Balancer Construction: Bonded High Pressure, Low Cure that features a Natural Rubber