ATI 917999 Super Damper Harmonic Balancer for 2014-24 Mini Cooper S/John Cooper

Vehicle Fitment

• 2014-2024 Mini Cooper S (F54, F55, F56, F57, F60) - B46/B48 engines
• 2015-2024 Mini John Cooper Works (F54, F55, F56, F57, F60) - B46/B48 engines
• 2016-2022 BMW X1 (sDrive28i, xDrive28i) - B46/B48 engines
• 2018-2019 BMW M35i - B46/B48 engine

Features

• Eliminates harmful torsional crankshaft vibrations at all RPM levels
• Protects against engine harmonics, enhancing engine longevity
• Direct replacement for OEM unit (11-23-8-602-800)
• 6-rib serpentine belt drive compatible with factory setups
• Laser-etched 360° timing marks for precise ignition timing
• SFI 18.1 Certified for competition use
• Requires belt tensioner tool for installation; ATI puller is not compatible
• Made in the USA

Specifications

• Outer Diameter: 6.08 inches
• Weight: 6.10 lbs
• Shell Material: Aluminum
• Hub Material: Steel
• Inertia Weight: 2.20 lbs, 3-ring design
• Groove Configuration: 6-rib serpentine belt drive
• Balance: Internal
• Safety Rating: SFI 18.1

Included Components

• 1x ATI 917999 Super Damper Harmonic Balancer
• Installation hardware and instructions

Product Description

The ATI 917999 Super Damper Harmonic Balancer is engineered to protect your 2014-2024 Mini Cooper S or John Cooper Works B46/B48 engine from harmful torsional vibrations. With a 6.08-inch outer diameter and a weight of 6.10 lbs, this damper is designed for high-performance applications, ensuring engine longevity and optimal performance.

Constructed from aluminum with a steel hub, the damper features a 3-ring inertia weight design and a black zinc chromate finish. It exceeds SFI 18.1 safety specifications, making it suitable for both street and track use. The internal balance configuration ensures compatibility with both OEM and aftermarket setups.

Installation is straightforward with the included hardware and instructions. Please note that a belt tensioner tool is required for installation, and the ATI puller is not compatible with this damper. Whether you're building a street machine or preparing for track events, the ATI 917999 Super Damper Harmonic Balancer is a reliable choice to enhance your engine's performance and longevity.