VAC Motorsports Harmonic Damper by ATI, BMW S54
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Produktdetails
The VAC Motorsports Harmonic Damper by ATI is designed to control harmful crankshaft harmonics in BMW S54 engines. Developed by VAC and ATI, it offers a solution for performance and competition applications, including engines fitted with lightweight clutch and flywheel assemblies.
VAC reports use in race engines operating at 9,500–10,000 rpm, both with and without its S54 Stroker Kit.
Key features
- Designed to control destructive harmonic forces.
- Helps reduce bearing wear, accessory failure and oil pump failure.
- Includes a lightweight VAC billet crankshaft pulley.
- 7-inch outer diameter with OEM-style timing alignment tabs.
- Exceeds SFI 18.1 safety certification requirements and is approved for competition.
- Made in the USA.
Included in the kit
- ATI/VAC S54 Harmonic Damper.
- VAC crank pulley.
- VAC fitting hardware.
Crank pulley options
- Standard: standard diameter, suitable for use with underdriven accessories.
- Overdrive: suitable for supercharged applications.
- Underdrive: not recommended for use with an underdrive water pump pulley, as this combination may slow coolant circulation excessively and affect cooling.
Important fitting information
This damper will not work with a factory damper pulley. The original supplier specifies that the VAC Underdrive Power Pulley is required for correct operation. The kit is described as a direct bolt-on solution when used with the included VAC crank pulley. Confirm the correct pulley configuration for your application before fitting.
Configurations are also available for use with VAC dry sump kits.
About ATI
Based in Baltimore, Maryland, ATI Performance Products specialises in high-performance components for street and competition use. VAC partnered with ATI to develop this damper for BMW applications.
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