PowerForce Harmonic Damper

Professional Products 80005 PowerForce harmonic damper.

Fits Chevy 454 and 502 engines.

Standard 8" diameter.

Weights 14.56 pounds.

Nodular iron construction.

60 degrees of etched timing marks along with timing marks every 90 degrees.

A bolt in counter weight can be removed if zero balance is desired.

Finished in a semi-gloss painted finish with white timing marks.

The elastomer is securely bonded to the hub and ring.

Accurate crank bore for proper press fit on the crankshaft.

Damper has less than .005" runout on O.D. due to high quality machining and assembly procedures.

The perfect damper for stock replacement or street performance use.

The SFI-Spec racing damper can be found below.


Professional Products 80005 90005 Professional Products PowerForce Plus harmonic damper Chevy 454 502 big block balancer 80005$119.97

Click to enlargeProfessional Products 90005 PowerForce Plus
Professional Products 90005 PowerForce Plus harmonic damper balancer.

Fits Chevy 454 and 502 big block.

8" diameter.

Weights 15.5 pounds.

A bolt in conterweight which can be removed if a neutral balance damper is desired.

Has 60 degrees of timing marks etched in along with timing marks at every 90 degrees.



An SFI-Spec racing damper with both the hub and inertia ring made of tough 1045 steel.

Semi-gloss black painted finish and a bright red anodized ring.

High temperature elastomer for heavy duty racing without breakdown.

Number 8-32 stainless steel machine screws for plate retention.

Accurate crank bore for proper fit on crankshaft.

Damper has less than .005" runout on O.D. due to high quality maching and assembly procedures.

90005$199.97

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We welcome CANADIAN customers! For ordering information, click on "Orders To Canada" at the top left side of this page.

We will not ship to freight forwarding - expediting companies.

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