Mopar Small Block 
Harmonic Damper

Professional Products 80012 PowerForce harmonic damper balancer.

Fits Chrysler Dodge Plymouth 318 340 360 engines.

The Professional Products 80012 damper works great for high performance street use and as a replacement for a stock damper.

Supplied as a neutral balance damper and comes with three bolt in counterweights. This allows this one part number to fit four different small block Chrysler engines.

The damper with no weight used fits internally balanced 1967 and newer 318 and Magnum engines as well as internally balanced 340 and 273 engines with forged crankshafts.

One weight is for 1972-1973 externally balanced 360 engines with a cast crankshaft.

A different weight is for the 1993-1997 360 externally balanced engines with a cast crankshaft.

The third weight is for the 1971-1992 360 externally balanced with a cast crankshaft.

Each counterweight is numbered, and the instructions guide you which weight to use for each style of engine.

Made of nodular iron.

Painted semi-gloss black with sixty degrees of timing marks etched in white for easy reading.

Measures 7.25" in diameter.

Weight of 8.12 pounds.

Accurate crank bore for proper press fit on the crankshaft.

Damper has less than .005 runout.

The hub and ring feature bonded elastomer construction.

Scroll down the page for the racing SFI-Spec damper part number 90012.


Professional Products 80012 90012 PowerForce Plus harmonic damper 318 340 360 Magnum harmonic damper balancer 80012$109.97

Click to enlargeProfessional Products 90012 PowerForce Plus
Professional Products 90012 PowerForce Plus harmonic damper balancer.

An SFI-Spec racing damper that also works well with extreme street engines.

Fits Chrysler Dodge Plymouth 273-318-340-360 engines.

Measures 7.5" in diameter.

Weight of 9 pounds.

Features 1045 steel construction with a high temperature elastomer bonded between the hub and the ring.

Painted semi-gloss black.

Sixty degrees of timing etched in white.

Red anodized ring.

Number 8-23 stainless steel machine screws are used.

Accurate crank bore for proper press fit on the crankshaft.

Damper has less than .005" runout.

This damper is supplied as a neutral balance damper and comes with three bolt in counterweights. This allows this one part number to fit four different small block Chrysler engines.

The damper without any weight fits internally balanced 1967 and newer 318 and Magnum engines and all internally balanced 273 and 340 engines with forged crankshafts.

One weight is for 1972-1973 340 externally balanced engines with a cast crankshaft.

A different weight is for 1993-1997 360 externally balanced engines with a cast crankshaft.

And the third is for 19971-1972 360 externally balanced engines with a cast crankshaft.

Each counterweight is numbered and the instructions guide you which weight to use for each style of engine.

90012$199.97

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