SKU: PRP90055
MPN: 90055
The 6.9in Nissan Harmonic Damper SFI by PROFESSIONAL PRODUCTS is designed for serious enthusiasts and mechanics who require precise vibration control in high-performance Nissan builds. This component addresses a critical failure point in engine durability: uncontrolled crankshaft harmonics that can lead to damper cracking, belt shredding, and ignition timing issues under load.
Built to SFI specification standards, this harmonic damper utilizes a precisely calibrated elastomer ring bonded between inner and outer steel hubs to absorb torsional vibrations without adding unnecessary rotational mass. The dual-hub design effectively isolates engine harmonics from belt-driven accessories, ensuring stable RPMs for components like the alternator, power steering pump, and water pump, even during aggressive throttle transitions or high-boost scenarios.
This damper is essential for any Nissan owner looking to enhance engine performance, particularly those running increased boost pressure or extended rev limits. It integrates seamlessly with both OEM and aftermarket pulley systems while maintaining critical balance specifications to protect crank journal bearings from premature failure.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
