The Innovators West dampers are a friction-style damper. Inside the damper is a wet friction clutch pack assembly. Spring-loaded inertia rings work in conjunction with clutches to provide the dampening action. There is a small amount of fluid inside that acts as a lubricant as well as dissipates heat. The free-floating clutch pack design allows for a broad dampening range in a small package.

Unfortunately, at this time, we are not building custom products due to a backlog in making production parts. We are hopeful that we can add additional staff and machines to reduce that backlog and to be able to make custom parts in the future.

All Innovators West dampers exceed the SFI 18.1 standards. A SFI sticker is placed on the damper as well as the SFI number is stamped into the back of the damper case.

No, they are as light or lighter than OEM to reduce rotation weight.

Most dampers are marked every 5 degrees for 360 degrees and marked every 2 degrees from 30 degrees to 50 degrees. Serpentine dampers such as the Ford Mod Motor and GM LS dampers are not generally marked, as the timing is computer-controlled.

Yes, and we also offer dampers for street use, drag racing, marine applications, and off-road use as well.

Yes, all dampers have a industry standard dual keyway option available. The double keyway option requires that the factory or aftermarket crankshaft be removed from the engine and a second keyway be cut into the snout of the crankshaft. DO NOT run a double-keyed damper on a crankshaft without the double keys. Failure of the damper hub can happen without the supporting key in the broached keyway slot. The dual keyway option is for Supercharged or Extreme Duty Applications (typically over 750 rwhp). Without the double key modification, your crankshaft in these high-horsepower applications can lead to the failure of the damper hub and/or the single keyway, which results in damage to the damper and the crankshaft snout.

For street and street/strip engines making under 750hp, we recommend sending the damper in for service every 6-7 years. For race engines or engines producing over 750hp, we recommend sending the dampers in for service every 1-2 years. We also recommend sending the damper in for service if your engine experiences any catastrophic damage that would impose a large shock load on the damper (such as a broken rod or crank). The standard service fee is $125 plus return shipping charges. When shipping your damper in for service, please complete and include our RA form with your shipment.

The standard service includes complete internal and external inspection, new SFI decal (if needed), and repolishing of the outside of the damper. The damper internals are freshened and resealed. Any other repairs, such as thread repairs or hard part replacement, are additional, and an estimate will be provided.

No, since the parts of the damper are manufactured in-house and the fluid cannot be bought off the shelf, we ask that the dampers be sent in so we can properly service them and inspect for any problems. When shipping your damper in for service, please complete and include our RA form with your shipment.

Yes! Failure to lube the crankshaft snout during installation will likely cause galling on the snout and damper hub. It will also likely make it very difficult to get the damper fully seated, and if you do get it on, you may not be able to get it off easily.

We highly recommend using CMD Extreme Pressure Lube , sold in our store, for this purpose.

Yes, we recommend using a damper installer tool to install any harmonic damper. This tool is available at most auto parts stores and may also be available for rent there.

Innovators West also offers a great Harmonic Damper Puller/Installer Tool, along with various specialty crankshaft adapters needed for late-model engines, in our store.