2004 Workhorse W20 Harmonic Balancers
- Fluidampr®Harmonic BalancerWorkhorse W20 With Chevy Big Block 2004, Harmonic Balancer by Fluidampr®. A Fluidampr performance damper provides premium, broad range control of destructive crankshaft torsional vibration for optimum performance and durability. Install...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$612.00