Cyco Systems Pro/Sport SFI 18-1 Approved Internally Balance Harmonic Balancer Small Block Chrysler Dodge

The Pro/Sport dampers provide race quality performance which exceeds OEM requirements and are SFI approved.  They are designed and manufactured as a direct replacement from quality carbon steel, with mechanical properties exceeding the stringent SFI spec. #18.1 requirements.  They are spin tested to 12,500 rpm for one hour to comply with SFI #18.1 requirements.  This product I machined to exacting tolerances and assembled using pressure bonded elastomer technology of tried and proven design for optimum damping performance.  The outer inertia ring is retained by a robust retention plate secured by 6 high tensile bolts to ensure maximum safety of the product.  Extremely accurate and easy to read permanently engraved marks.

Internally balanced, 7.01 diameter, and 11.14 lbs

Key Features:

-          Meets SFI Spec.#18.1

-          Spin tested to 12,500 rpm

-          Fully machined from high quality carbon steel

-          Retained outer inertia ring

-          60-degrees of permanently engraved timing marks

-          Pressure bonded elastomer

-          Accurately balanced

-          Removable counterweights on externally balanced models