SKU: PQX2428941
UPC: 842864012764
MPN: 2428941
The Harmonic Damper - SFI SBF 289-351W Ext Balance is a precision crankshaft accessory designed specifically for small-block Ford engines that require externally balanced configurations. This product is essential for those rebuilding classic 289 or 351W engines, installing stroker kits, or upgrading existing powerplants.
Engineered by PRW Industries, a leader in performance harmonic balancer technology, this damper effectively absorbs and dissipates destructive vibration frequencies generated during combustion cycles. It features a robust elastomer core with a steel hub and a precision-weighted design that matches the specific inertia requirements of external balance small-block Ford architecture. The SFI certification ensures it meets stringent safety standards, providing reliability at high RPM.
Mechanics and enthusiasts restoring or modifying 289 and 351W engines will benefit from the precision engineering of this PRW damper. It is crucial for any engine swap, stroker conversion, or performance rebuild, as it reduces stress on the main bearing journals and front seal, ultimately extending engine life and improving drivability.
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